How to price product bundles without eroding your margin

Product bundles can make shopping simpler: a customer buys a ready-made set instead of finding every item separately. They can also raise the value of an order. But a bundle that sells well is not necessarily a bundle that earns more money.

Short answer: add up the products' costs, include the variable costs of fulfilling the bundle, and choose a price that meets your required contribution margin. Then compare the result with what customers would have bought without the bundle. A discount is only worthwhile if the extra sales or other savings justify it.

Want to test product bundles in your own store? Try Abicart free for 30 days and explore how to organise your product range.

What is a product bundle?

A product bundle combines two or more products into one offer, often at a single price. Think of a coffee-making starter kit, a skincare routine or a camera with the accessories needed to use it. The value is not only the potential saving: the customer gets a convenient solution to a specific need.

Bundling differs from an upsell, where you propose a higher-value alternative, and from a cross-sell, where you recommend an additional item. For the broader marketing approach, see our guide to upselling and cross-selling. Here we focus on the narrower question: how should the bundle itself be priced?

How to calculate a profitable bundle price

Use the same tax basis for every figure. In the example below, all illustrative amounts are in SEK excluding VAT, and variable order costs are simplified for clarity.

Step 1: Add up the standalone selling prices

Imagine a practical three-piece kit:

• Item A: selling price SEK 299; product cost SEK 110.
• Item B: selling price SEK 179; product cost SEK 65.
• Item C: selling price SEK 99; product cost SEK 35.

The standalone selling prices total SEK 577. The combined cost of goods is SEK 210.

Step 2: Include the costs of fulfilling the bundle

Suppose packaging, pick-and-pack and the store's share of delivery cost total SEK 45, while payment processing adds SEK 15. These are example figures, not Abicart fees or industry averages. Your real costs may depend on order size, payment method, carrier, weight, returns and product mix.

In this example, the direct variable cost per bundle order is 210 + 45 + 15 = SEK 270.

Step 3: Test a bundle price and calculate the discount

At a proposed bundle price of SEK 499, the customer saves SEK 78 compared with purchasing all three items separately. That is a 13.5% bundle discount (78 ÷ 577 × 100, rounded).

Gross profit on the products, before fulfilment and payment costs, is 499 − 210 = SEK 289. The product gross margin is approximately 57.9%.

For the more useful order-level view, subtract the remaining variable costs too:

Contribution per bundle order = bundle selling price − cost of goods − variable fulfilment and payment costs.

So the example produces 499 − 210 − 45 − 15 = SEK 229 in contribution, or approximately 45.9% of bundle revenue. This is not net profit; rent, salaries, advertising, platform subscription, returns and other costs can still apply.

Step 4: Calculate the minimum price for your target margin

If you want a contribution margin of at least 40%, and the example's SEK 270 in variable costs does not change with price, the calculation is:

Minimum bundle price = variable cost ÷ (1 − target contribution margin).

That gives 270 ÷ (1 − 0.40) = SEK 450 excluding VAT. Pricing below SEK 450 would miss that 40% contribution-margin target under these assumptions.

Important: this simplified formula only works when the costs you enter are fixed per bundle order. If payment fees are a percentage of sales, shipping changes with weight, or discounts affect tax treatment, model those factors separately. A minimum margin is also not the same as a price customers are willing to pay.

A higher order value is not proof of higher profit

At the full standalone total of SEK 577, the same three-item order would produce SEK 307 in contribution if the variable costs remained SEK 270. Offering the SEK 499 bundle reduces contribution by SEK 78 on a sale that would have happened anyway.

But if the customer would otherwise have bought only Item A for SEK 299, the bundle might bring genuinely incremental sales. That is the central question to test. Bundles can win when they help customers discover useful add-ons, simplify choices, or reduce fulfilment cost. They can lose when they mostly discount items loyal customers were already going to purchase.

Look at contribution per order and total contribution, not just revenue, units sold or average order value. Compare similar customers and periods, and account for promotion costs and returns.

Which products make a useful bundle?

• Complete-the-task sets: products that solve one problem together, such as a maintenance kit with the necessary accessories.
• Starter kits: a clearly explained selection for someone buying in the category for the first time.
• Replenishment sets: related consumables customers usually need together, provided stock and shelf life make sense.
• Curated gift sets: a practical group of complementary products with a specific recipient or occasion in mind.

Start with a narrow bundle of genuinely compatible products rather than assembling slow-moving stock at random. Describe exactly what is included, why the items belong together and what buying them as a set offers the customer.

Five checks before launching a bundle

1. Check product costs. Include realistic replacement costs, packaging and any additional handling required for the set.
2. Check the discount claim. Make sure any stated saving accurately reflects the relevant individual prices and complies with applicable pricing rules. Avoid presenting a fabricated comparison price.
3. Check stock behaviour. A bundle needs the components available together; one missing item can prevent a complete order from being fulfilled.
4. Check returns and customer service. Understand how a partial return or a faulty component will be handled before offering the set.
5. Check cannibalisation. Measure whether the offer attracts additional purchases or merely discounts baskets that would have been placed at full price.

How to create a product bundle in Abicart

Abicart supports creating a bundle from existing products, assigning a separate bundle price and reducing inventory for the included products when the bundle is purchased. The exact eligibility rules and setup steps are explained in the product bundle support guide. Review its current restrictions before choosing the items in your kit.

For an overview of the available product formats, see physical products, services, bundles and gift cards in Abicart. Create one test bundle, confirm the price and item details, and run a test purchase before promoting it.

Ready to explore your own product offers? Start your free 30-day Abicart trial. Build a sample product set and check the pricing, stock and checkout experience before launch.