Uber Eats: Costco Kirkland Paper Towel 30% off, stack with Uber GC = 40% off in store price

A number of “Fall Hosting” items are on sale for on Costco on Uber, including Kirkland paper towels. The paper towels are $26.99 regular in store at Costco and $28.80 on Uber. Right now they are 30% off on Uber until October 13th. Stack with the $100 for $80 Uber Gift Cards from Costco to get an additional 20% off. This works out to $16.13 per package or 40% off the regular price. Sharing because I don’t think I’ve ever seen Kirkland Paper Towel on sale??