How to Do Bundles on Shopify to Increase Your AOV

Table of Contents

1. Introduction
2. Step 1: Laying the Foundations
3. Step 2: Clarify Your "Why"
4. Step 3: Margin and Operations Check
5. Step 4: Choose the Right Bundle Type
6. Step 5: How Bundles Work on Shopify
7. Step 6: Measurement and Performance
8. Step 7: When to Bring in Help
9. Summary of the "Bundle with Intention" Journey
10. FAQ

Introduction

Many Shopify store owners view product bundling as a "set it and forget it" tactic—a simple way to move more inventory by grouping items together. However, anyone who has run a high-growth eCommerce brand knows that success is rarely that simple. When you look at your dashboard and see a high volume of traffic but a stagnant Average Order Value (AOV), the instinct is to immediately discount or force a bundle onto the product page. But without a clear strategy, you might just be cannibalizing your margins or confusing your customers.

This guide is designed for Shopify founders and managers who are ready to move beyond basic discounting. Whether you are a new store owner finding your footing, a growing Direct-to-Consumer (DTC) brand with a loyal following, or a merchant managing a complex catalog with hundreds of SKUs, understanding how to do bundles on Shopify effectively is a core merchandising skill. We will explore how to turn bundles from a mere technical feature into a strategic tool that improves the shopping experience.

At MBC Bundles, we believe that high-performing stores aren't built on pressure tactics or hidden fees. They are built on a "foundations first" mentality. This means ensuring your store is healthy before layering on complexity. Our thesis is straightforward: start with a clear goal, check your margins, implement the simplest effective bundle type, and then iterate based on real customer data. Bundles should feel like a helpful suggestion to your shopper—a way to provide more value, not a way to trick them into spending more.

Step 1: Laying the Foundations

Before you even install a bundling app or create your first Buy One, Get One (BOGO) offer, your store's basic infrastructure must be solid. Bundles are an optimization tool; they amplify what is already happening on your site. If your product pages are slow, your shipping costs are hidden until the final checkout step, or your mobile experience is clunky, a bundle will likely fail to convert.

Audit Your Product Detail Pages (PDP)

A bundle is only as attractive as the individual products within it. Before bundling, ensure your PDPs have high-quality imagery, clear descriptions, and visible trust signals like reviews or return policies. If a shopper doesn't trust the primary product, they certainly won't buy three of them in a bundle.

Prioritize Mobile UX

Most Shopify traffic now comes from mobile devices. If your bundle offer takes up the entire screen or pushes the "Add to Cart" button below the fold, it becomes an obstacle rather than an incentive. Ensure that any bundling interface—whether it is a simple checkbox or a complex Mix & Match builder—is lightweight and easy to navigate with a thumb.

Transparency in Shipping and Returns

One of the biggest reasons for cart abandonment is unexpected costs at checkout. When you are asking a customer to buy more items, they are often mentally calculating if the "deal" is worth the potentially higher shipping cost. Be clear about your shipping thresholds. If a bundle crosses the "Free Shipping" mark, make sure that value is communicated early in the process.

Foundations Check: If shoppers are landing on your site but leaving without adding anything to their cart, your issue likely isn't a lack of bundles—it's a lack of trust or clarity. Fix your core conversion rate (CRO) before trying to raise your AOV.

Step 2: Clarify Your "Why"

Not all bundles are created equal. The type of bundle you choose should depend entirely on the specific business problem you are trying to solve. If you don't define the goal, you won't know which metrics to track to see if you are succeeding.

Goal: Raising Average Order Value (AOV)

AOV is the average dollar amount spent each time a customer places an order. If your goal is to get a customer who was going to spend $50 to spend $75, you might use a Frequently Bought Together strategy. This uses product pairing to suggest complementary items that enhance the use of the primary product.

Goal: Improving Conversion Rates

Sometimes, bundles are used to reduce "choice overload." If you have 20 different scents of a candle, a new customer might get overwhelmed and leave. A curated "Starter Kit" or "Best Sellers Bundle" simplifies the decision-making process, making it easier for the customer to say "yes."

Goal: Moving Stale Inventory

If you have a warehouse full of a specific SKU that isn't moving, a BOGO offer or a "Gift with Purchase" can help clear that inventory. By bundling a slow-moving item with a top-seller, you improve your inventory turnover without having to run a store-wide clearance sale.

Goal: Supporting Gifting

During the holidays or graduation seasons, "Gift Set" bundles are powerful. These take the guesswork out of shopping and provide a convenient, pre-packaged solution for the customer.

Step 3: Margin and Operations Check

This is the stage where many merchants run into trouble. A bundle that looks great to the customer can be a nightmare for your bottom line if the math doesn't work.

Confirming Profitability

When you offer a discount on a bundle, you are giving away a portion of your margin. You must calculate your Break-Even Point.

• What is the Cost of Goods Sold (COGS) for each item?
• What are the shipping costs for a larger, heavier bundle?
• What is the pick-and-pack fee from your warehouse for multiple items?

If your margins are slim, a 20% discount on a bundle might actually result in you losing money on every sale. In these cases, consider "Quantity Breaks" where the discount only triggers after a certain volume is met.

Inventory Constraints

Shopify tracks inventory at the variant level. If you create a "Fixed Bundle" that consists of a shirt and a hat, you need to ensure that your system correctly deducts one shirt and one hat from your stock when the bundle is sold. If you use an app that doesn't sync inventory in real-time, you risk overselling items you don't actually have in stock.

Discount Stacking and Conflicts

Shopify has specific rules about how discounts interact. If you have an automatic "10% off for first-time buyers" and a bundle discount, will they stack? If they do, is your margin still protected? You should always test your checkout flow with multiple discount combinations to ensure you aren't giving away more than you intended.

Red Flag Guidance: If you are unsure about the legalities of "original price" versus "sale price" in your region, or if you have complex tax requirements for bundled sets, we strongly recommend consulting with a qualified legal professional or accountant. Pricing transparency laws vary by country and state.

What to do next:

• List your top 5 products and their exact COGS.
• Identify one specific goal (e.g., "increase AOV by 10%").
• Check your Shopify "Discounts" settings to see if "Combinations" are enabled.

Step 4: Choose the Right Bundle Type

Once you have your foundations and your "why," it is time to choose the mechanic. At MBC Bundles, we focus on providing flexible options because different products require different approaches, and you can read more in our story.

Fixed Bundles (The Pre-Packaged Set)

This is the simplest form of bundling. You group Product A and Product B together for a set price. This is ideal for kits or starter sets where the items are meant to be used together.

• Best for: Gifting, skincare routines, or outfits.
• Pro: Very clear value proposition.
• Con: Less flexibility for the customer.

Mix & Match (The Bundle Builder)

This allows the customer to choose their own adventure. For example, "Pick any 3 socks for $30." This gives the customer a sense of control and is excellent for high-SKU catalogs where preferences vary wildly.

• Best for: Food and beverage, apparel (basics), and consumables.
• Pro: High engagement and reduces choice paralysis.
• Con: Higher complexity for inventory and fulfillment.

Quantity Breaks (Volume Discounts)

Commonly known as "Buy More, Save More." The more of the same item a customer buys, the higher the discount percentage. This is a powerful way to increase AOV for products that are used frequently.

• Best for: Supplements, household cleaners, and beauty supplies.
• Pro: Encourages bulk buying.
• Con: Can feel "transactional" if not designed with a clean UX.

Buy X Get Y (BOGO / Free Gift)

This is a classic promotional tool. You buy a main item and receive a second item (or a specific gift) for free or at a discount. This is highly effective for moving specific inventory or launching a new product.

• Best for: Seasonal promotions or product launches.
• Pro: High perceived value.
• Con: Risk of "devaluing" the gift item if used too often.

Step 5: How Bundles Work on Shopify

To implement these effectively, you need to understand the underlying mechanics of how Shopify handles bundles. This isn't about code; it's about how the data flows from your store to your checkout.

Discount Mechanics

Shopify allows for several types of discounts: percentage-based, fixed amount, or "set price." When you use a bundling app, it typically communicates with Shopify’s API to apply these discounts in the cart. Some apps create a "hidden" product that represents the bundle, while others, like MBC Bundles on Shopify, manipulate the individual line items in the cart to ensure inventory remains accurate.

Inventory and Variant Considerations

Every product in a bundle is a "variant" in Shopify. If a bundle includes a "Small Blue Shirt," the system must recognize that specific variant. As you add more options (colors, sizes, styles), the complexity of your bundle grows exponentially.

• Standard Bundles: Usually stay within Shopify’s 100-variant limit.
• Complex Bundles: May require "Cart Transform" logic to handle thousands of possible combinations without slowing down your site.

Mobile UX and Placement

Where should your bundle live?

1. On the Product Page (PDP): Best for "Frequently Bought Together" or "Quantity Breaks." It captures intent immediately.
2. In the Slide-out Cart: Great for "last-minute" add-ons or "You're $10 away from a free gift" messages.
3. Post-Purchase / Thank You Page: Ideal for "One-Click Upsells" that don't add friction to the initial checkout.

Technical Caution: If you are making significant changes to your Shopify theme to accommodate a bundle builder, always test your changes on a duplicate theme first. Never "live-edit" your code, as a single error can break your checkout flow. If you are not comfortable with Liquid (Shopify’s templating language), consider working with a Shopify developer.

Step 6: Measurement and Performance

You cannot manage what you do not measure. Once your bundles are live, you need to track bundle metrics that matter to see if they are actually helping your business.

Key Metrics to Track

• Average Order Value (AOV): Is the average spend per customer actually going up?
• Bundle Attach Rate: What percentage of orders contain a bundle? If it is less than 5%, your offer might not be attractive enough or is too hard to find.
• Conversion Rate: Did adding the bundle make people less likely to buy? (If the bundle is too confusing, it can actually lower your conversion rate).
• Revenue Per Visitor (RPV): This is the ultimate health metric. It combines AOV and Conversion Rate to show the true value of your traffic.

One Change at a Time

When testing bundles, avoid the temptation to change five things at once. If you change the discount amount, the bundle products, and the location on the page all in one day, you won't know which change actually moved the needle.

• Test one bundle type for two weeks.
• Analyze the data.
• Make one adjustment (e.g., increase the discount from 10% to 15%).
• Measure again.

Segmentation

Look at your data through different lenses. Does the bundle perform better for new customers or returning customers? Does it convert better on Desktop than on Mobile? This data will help you refine your "Bundle with Intention" strategy over time.

Step 7: When to Bring in Help

Running a Shopify store is a massive undertaking, and you shouldn't have to be an expert in everything. There are times when the best thing you can do for your business is to step back and call in a specialist, starting with our Help Center if you need setup or troubleshooting support.

Theme and Performance Issues

If you notice that your site speed has dropped significantly after adding a complex bundle builder, or if the bundle isn't displaying correctly on certain browsers, it’s time to consult a developer. Performance regressions can hurt your SEO and your conversion rates.

Payment and Security Red Flags

If you notice a sudden spike in failed checkouts, or if you are concerned about fraudulent orders associated with a high-value bundle offer, contact Shopify Support and your payment provider (like Shopify Payments or PayPal) immediately. Never ignore signs of account security issues or payment processing errors.

Strategic Complexity

If your catalog is massive and your fulfillment is handled by multiple third-party logistics (3PL) providers, your bundling logic might get complicated. In these cases, reaching out to the support team of your bundling app (like our team at MBC Bundles) can help you find the most efficient way to set things up without breaking your operations.

Action Plan for Growth:

• Monitor your "Revenue per Visitor" for 30 days.
• If a bundle has a low attach rate, move it to a more prominent location on the mobile PDP.
• Ensure your customer support team is trained on how to handle bundle-related returns or exchanges.

Summary of the "Bundle with Intention" Journey

The path to successful bundling is a marathon, not a sprint. By following a structured approach, you ensure that every offer you put in front of a customer is backed by logic and data.

1. Foundations First: Ensure your site is fast, trustworthy, and mobile-friendly.
2. Clarify the Goal: Know if you are trying to raise AOV, move inventory, or simplify the shopping experience.
3. Margin & Ops Check: Confirm that the discount doesn't kill your profit and that your warehouse can actually fulfill the order.
4. Bundle with Intention: Choose the mechanic (BOGO, Mix & Match, etc.) that fits the goal.
5. Reassess and Refine: Use data to tweak your offers and improve performance.

Key Takeaway: A bundle shouldn't be a hurdle the customer has to jump over to get to the checkout. It should be a bridge that makes their shopping experience easier and more valuable. When you prioritize the customer's needs and your store's health, growth follows naturally.

At MBC Bundles, we are committed to helping Shopify merchants build sustainable, profitable businesses, and our case studies show how that commitment plays out in practice. Bundling is a powerful tool in your merchandising arsenal, but its true power is only unlocked when used with intention. Start simple, keep your eye on the data, and always put the customer experience first.

FAQ

How do I prevent discount codes from stacking on top of my bundle offers?

Inside your Shopify Admin, navigate to the Discounts section. For each discount code or automatic discount, there is a section called Combinations. You can explicitly choose whether a discount can be combined with "Product discounts," "Order discounts," or "Shipping discounts." To prevent stacking, ensure these boxes are unchecked for your bundle-related offers. It is always a best practice to perform a test checkout with multiple codes to verify the behavior before a major sale.

Will adding a bundle app slow down my Shopify store's loading speed?

Site speed is a critical factor for SEO and conversion. While any app adds some weight to your site, a well-engineered app that uses "Built for Shopify" standards will have a minimal impact. To protect your performance, look for apps that use theme app blocks and avoid "heavy" scripts. Always test your site speed using tools like Google PageSpeed Insights before and after installation. If you notice a significant lag, you may need a developer to optimize how the app's assets are loaded.

How do I handle returns for items that were purchased as part of a bundle?

This is an operational decision that should be clearly stated in your Refund Policy. Most merchants offer two choices: either the entire bundle must be returned for a full refund, or individual items can be returned for a prorated amount. A prorated refund subtracts the "bundle discount" from the returned item's value so that the customer doesn't get a better deal by returning part of the set. Clearly communicating this policy on your FAQ page reduces friction and protects your margins.

Can I create bundles that include subscription products on Shopify?

Shopify’s native bundle logic currently has limitations regarding "Selling Plans" (subscriptions, pre-orders). While it is possible to bundle subscription items, it often requires a more advanced setup or specific integrations between your bundling app and your subscription provider. If subscriptions are a core part of your business, we recommend checking the compatibility documentation of both apps and testing the entire lifecycle—from the initial purchase to the recurring billing—on a development store first.