Buy the amazon gift card dash button for $0.99 and get $4.99 credit when pressed. Instant $4 profit. This must be a new button Ive never seen it. Also there are many other dash buttons for 0.99 however now they must be used on their intended product so select carefully!
https://www.amazon.com/Amazon-Gif…B01GT1WX9
It seems you are able to buy up to 3 making this a $12 money maker.