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Buy Together Discount for eCommerce Recommendations

Build cross-selling bundles where shoppers see a discount when they add specific complementary products to the cart together — driving higher AOV through smart bundling.

Updated 8 hours ago 3 min read
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by Admin

The Buy Together Discount feature lets you create cross-selling bundles where the shopper unlocks a discount when they add a specific combination of products to their cart. This is the engine behind “Buy this with X and save 20%” experiences — a proven AOV lift on category and product pages, especially for accessory-heavy catalogs.

How it works

  1. You define a trigger product (or set of products) that the shopper is viewing or has in cart.
  2. You define partner products that pair well with the trigger.
  3. You set the discount that activates when the bundle condition is met (e.g., 15% off the partner item or $10 off the total).
  4. Personyze surfaces the offer through a recommendation widget — typically on the product page below the main image, or in a slide-out cart drawer.

Setting up a Buy Together bundle

In the Recommendations Wizard, choose Buy Together as the algorithm type, then:

  1. Pick the trigger condition. Most teams use the currently-viewed product as the trigger, then surface complementary partners. You can also trigger on cart contents.
  2. Define the partner pool. Either pick specific SKUs (curated bundles) or let Personyze surface aggregate “frequently bought together” partners based on actual purchase data.
  3. Configure the discount. Percentage off, fixed dollar amount, or BOGO-style. The discount only applies when both trigger and partner are in cart.
  4. Set the message. Use dynamic variables to reflect the actual discount in the widget copy: “Add a {Partner} and save {DiscountAmount}”.

Discount enforcement happens in your store, not Personyze.Personyze surfaces the offer and tracks engagement, but the actual cart-rule that applies the discount needs to live in your eCommerce platform — usually as an automatic discount or coupon code in Shopify, Magento, WooCommerce, etc. Personyze can pass a coupon code through to checkout (see Auto-Apply Coupon for that flow).

Best practices

  • Use real bundle affinity data when possible. Either Personyze’s automatic “frequently bought together” algorithm or your own purchase-pair analysis. Curated bundles work too but tend to feel less relevant when the catalog grows past a few hundred SKUs.
  • Limit to 1–2 partners per offer. Showing 5 “buy together” options dilutes the urgency. One strong pairing usually outperforms a wall of choices.
  • Time-bound the discount in the copy. “Add to cart in the next 10 minutes” creates the friction needed to convert. (Honor whatever timer you display on the back end.)
  • Test bundle pricing. A 10% bundle discount might net you more revenue than 25% if the smaller discount converts at a similar rate.
  • Place above the fold on product pages. Below the main product image is the highest-engagement slot in our internal benchmarks.

Measuring impact

The campaign’s Performance tab shows you bundle-specific metrics: how many shoppers viewed the offer, how many added the partner product, the bundle conversion rate, and revenue attributed to the cross-sell. Compare against a holdout audience (no bundle offer shown) to measure incremental lift.