Quick answer
Upsells can work when they are relevant, easy to accept, and placed at the right moment. They usually fail when they interrupt the buyer, feel random, or add friction to checkout. Treat upsells as merchandising, not a magic average-order-value button.
What counts as an upsell?
In Shopify conversations, “upsell” gets used for a few different things:
- Recommending a higher-priced version of the same product.
- Suggesting a complementary product, like socks with shoes.
- Offering a bundle or quantity break.
- Adding post-purchase offers after checkout.
- Showing related products on the product page or cart.
These are not the same tactic. A complementary recommendation can help the shopper. A badly timed popup can make the store feel desperate.
Where upsells are usually safest
Product pages are a good place for related or complementary products because the shopper is still deciding. Shopify’s Search and Discovery app can be used to customize related and complementary product recommendations.
Cart pages and cart drawers can work when the offer is small, relevant, and does not block checkout.
Post-purchase offers can work because the initial order has already happened, but they need careful setup and clear terms.
Checkout upsells require extra caution. The closer a customer is to paying, the less tolerance they usually have for noise. If checkout customization is involved, understand which tools are available on the store’s plan and which checkout surfaces are being changed.
What makes an upsell good
- It is related to what the customer is already buying.
- It is easy to decline.
- It does not hide shipping, payment, or checkout progress.
- It has a clear price and benefit.
- It does not slow down the page.
- It is measured against conversion rate, not only average order value.
The metric trap
An upsell can increase average order value and still hurt the business if it lowers conversion rate or adds support issues. Measure revenue per visitor, conversion rate, average order value, refund rate, and customer complaints together.
Common misunderstanding
Higher AOV is not always better. If an upsell distracts enough customers from completing checkout, the store can make less money even if the orders that do convert are larger.
How to test this
- Run upsells on a small set of products before applying them globally.
- Compare conversion rate and revenue per visitor, not only average order value.
- Check mobile behavior carefully.
- Remove any offer that creates checkout confusion.
- Use relevant product pairings instead of generic best sellers.