 That's right. You can earn real cash back with Upside just by buying the gas you're already buying. You can literally start earning cash back today. I use Upside every time I fill up, and I've already made around $200, $300. You're putting gas in your car anyway. Why not get real cash back? If you like free money, download Upside. I'm saving the cash I earn from using Upside to help pay for a vacation later this year.