Add "Frequently bought together" below the buy box. [N] paired products, [X%] bundle discount, single add-to-cart.
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Add a 'Frequently bought together' section to the product page below the buy box. Show 2 paired products with checkboxes pre-checked, a 10% bundle discount, and a single 'Add bundle to cart' button.
- Auto-pairs based on real co-purchase data.
- Pre-checked bundle adds with one tap.
- Bundle discount applied automatically at cart.
- Manual pin / exclude per product if needed.
What you're trying to do
Amazon's most-copied feature for a reason. 'Frequently bought together' surfaces complementary products at the moment of intent, and the bundle discount gives shoppers a reason to add them.
Things to watch out for
- Pairing data: needs enough orders to show a pattern; with too few, Fudge pairs products from the same collection.
- Discount setup: Fudge wires the Shopify automatic discount; works with most theme code.
- Default state: Fudge keeps boxes pre-checked but lets shoppers uncheck.
- Variants: Fudge picks the most-paired variant by default.
How Fudge does it
Fudge duplicates your live theme into a draft, edits the relevant template (product page or cart) with the changes your prompt requires, and tests against your real product data. Everything starts in draft — preview on any product or in the cart, tweak any detail, and publish when you're ready. Your live store stays untouched.
When FBT is the right pattern
A “Frequently Bought Together” section below the PDP buy box — 2 paired products with checkboxes pre-checked and 10% bundle discount — is the classic Amazon-style cross-sell. Works best for clear complement pairs.
When this is worth building
Build FBT for catalogs with clear paired products (camera + lens, dress + accessories, skincare + tool). Skip for standalone categories.
What makes one great
- 2 paired products — clear pair, not random recommendations.
- Checkboxes pre-checked — friction-free.
- 10% bundle discount — triggers the trade-up.
- Single “Add bundle” button — one-click conversion.
- Pairing based on order data — real co-purchase patterns.
Pair this with outfit bundle builder and cart upsells. Fudge builds this as part of its bundles and discounts tools.