# Source: https://docs.intelligems.io/getting-started/common-use-cases/shipping-test-common-use-cases/the-flat-fee-face-off.md

# The Flat Fee Face Off

Ever since Amazon made free shipping the norm, many brands have felt like they had to move in that direction. But what if higher shipping rates didn't actually affect your conversion rate and you could put that cost back onto the customer? You'll never know unless you test it out.

*What this test design might look like:*

<table data-header-hidden><thead><tr><th width="310"></th><th></th><th></th><th></th></tr></thead><tbody><tr><td></td><td><strong>Control Group</strong></td><td><strong>Slightly Higher</strong></td><td><strong>Highest</strong></td></tr><tr><td><strong>Flat Shipping Rate</strong></td><td>Free</td><td>$5</td><td>$10</td></tr></tbody></table>