The order bump you cannot run on rented land

There is a version of your checkout where one line of text sits directly beside the buy button.

A checkbox. One adjacent offer. No extra page, no extra click.

Acceptance rates on that placement run between 50% and 62%.

Why placement is the whole thing

The offer is not what moves. The adjacency is.

Move the same offer to a second page and acceptance falls off a cliff, because you have asked the buyer to make a second decision after they already made the first one.

An independent checkout layout — one you control the markup of — produces around a 30% immediate lift in average transaction value for this reason alone. Same traffic. Same product. Different floor.

The catch

You cannot do this on a marketplace checkout.

You do not own the markup. You cannot place the element. You cannot test the copy. The page belongs to the platform, and the platform has optimised it for the platform.

This is the clearest example of what renting costs you. Not a fee you can see on a statement — a lift you were never allowed to capture.