Check out this app its called mercari, every time you get someone to download it with your promo code it gives you $2 more dollars to buy stuff from it. Plus you get $2 to start with.

DQTPJN is my code use it if you download it, even if you don't want to use it you should download it so I can get the extra $ from it.

It's just one of those apps that works if you put the work into sharing your promo code