When you stand in line at a grocery store, you always see small items like chewing gum, lip balm, or batteries placed right next to cash register. You did not walk into store to buy them, but since they are cheap and right in front of your eyes, you pick one up and toss it onto conveyor belt. An order bump is exact digital version of those checkout counter treats.

In an online store, an order bump appears directly on checkout page, usually right before customer clicks final button to pay. It looks like a small, attractive box offering a highly relevant add-on product at a slight discount. Crucially, buyer can add it to their purchase with a single click, without leaving checkout screen or re-entering payment details.

Key to a successful order bump is making offer a no-brainer. If someone buys a camera, order bump might offer a pack of matching batteries or a screen protector. It is inexpensive, complements main purchase perfectly, and requires zero effort to add. For store owners, this is a highly effective way to increase average order value without annoying shoppers.