The title pretty much says it all. Spend $150, get $30 as future credit. You may need to sign into your Costco account for the links to work.
Visit Costco Same Day website [costco.com]
Here's a sample deal since Airpod Pros were quite the talk yesterday Airpod Pros [costco.com]
priced at $201 after $30 instant discount.
Plenty of other items to choose from to get to that $150.