Knowing how to price a bundle is what separates one that lifts revenue from one that quietly bleeds margin. The right structure ties the discount to basket size, so you only give away savings when the shopper earns them.
A bundle that boosts orders but quietly destroys your margin is not a win, it just feels like one. The goal is to price the bundle so the larger order more than pays for the discount you used to win it. Here is a simple way to get the numbers right.
In this guide to how to price a bundle:
- Start from cost of goods, not price
- Find your discount ceiling
- Use tiers, not flat cuts
- A worked example
- Common pricing mistakes
Start with your real cost, not your price
Before you set a discount, know the cost of goods for every item in the bundle. Your discount has to come out of the gap between price and cost, never out of the cost itself. If your products carry a 50 percent margin, a 40 percent bundle discount leaves you almost nothing, and a 60 percent discount means you lose money on every sale.
Find your discount ceiling
A safe rule is to keep the bundle discount well below your margin, so you still profit on every order. If a three-item bundle would sell for 90 dollars and costs you 45 dollars, you have 45 dollars of margin to work with. A 15 percent discount, around 13 dollars, still leaves healthy profit while feeling generous to the shopper.
Use tiers, not a flat cut
Tiered discounts protect margin better than flat ones. Set the first tier at a basket size that is already profitable, then grow the saving as the basket grows. This way you never discount a small order that would have happened anyway, and the bigger savings only apply when the larger order earns them.
Mistakes that quietly cost you
- Discounting before checking the cost of goods on every item
- Applying a flat percentage that hits small and large baskets the same
- Stacking the bundle discount on top of a storewide sale by accident
- Forgetting shipping costs when the bundle is heavy or bulky
Price the bundle to protect profit first and reward size second, and it will lift revenue without eating into the margin you worked hard to build.
A simple worked example of how to price a bundle and protect your margin
Knowing how to price a bundle in theory is one thing. A worked example makes it stick. Say you sell three skincare items, each priced at 30 dollars, with a cost of goods of 12 dollars per item. The unbundled total is 90 dollars, the unbundled margin is 54 dollars. If you offer the bundle at 75 dollars, the saving is 15 dollars and you keep 39 dollars of margin. Still healthy, still profitable.
Now compare that to a flat ten percent off. On a single 30 dollar order, you give up 3 dollars of margin for an order that would have happened anyway. The bundle pulled the basket from 30 to 75 dollars, the flat discount just took 3 dollars off your existing baseline. Same shopper, completely different result.
- Always start from cost of goods, not from your selling price
- Tie the discount to basket size so small orders never get marked down
- Stress test the bundle at the lowest tier, where margin is thinnest
- Recheck your numbers when supplier costs change
For a deeper read on the unit economics behind bundle pricing, the Shopify guide to pricing strategies covers the trade-offs in detail.
Sense-checking how to price a bundle against price elasticity
Knowing how to price a bundle on the spreadsheet is one thing. Sense-checking the price against your customers is the harder part. The concept that matters here is price elasticity, the measure of how much demand changes when price changes. A bundle priced below the elastic point sells volume but gives up margin. A bundle priced above it lifts margin but loses volume.
You do not need an economist to find this point for your store. You need two data points, the take rate at one price and the take rate at a slightly different price, held under stable traffic conditions for two weeks each. The slope of the change tells you which side of the elastic point you are on.
This is the same reasoning that drives most retail pricing decisions. Bundles are no exception.
See Wikipedia’s entry on price elasticity of demand for the underlying economics that govern this kind of test.
Frequently asked questions
What is a safe bundle discount?
Anything well below your gross margin. If your products carry 50 percent margin, a 15 to 20 percent bundle discount usually keeps you profitable.
Flat or tiered?
Tiered. Flat discounts give away margin on small orders that did not need an incentive. Tiers only reward the larger basket.
Biggest pricing mistake?
Discounting before checking the cost of goods on every item in the bundle. Always start from cost, not price.
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