Sign up and make a purchase in your first three months, and Discover will give you a $100 statement credit! Fantastic deal on a fantastic card!

Fetch will let you scan receipts -- grocery, dining, even online -- for points that you can easily convert to gift cards. I use it to get free grocery cards, and it's fantastic.

Hot Takes is a free betting app (truly free -- there's literally no way to give them money) that pays out via Paypal or Bitcoin Lightning. You can get a random amount of tokens to bet with each day (two wheel spins), and they have the usual set of bets (games, player props, parlays). Payout at $5, and it's easy and fun! Sign up with my referral and you'll get $2 free towards that first $5!

iHerb will give you 10% off your first order if you use this link! Hit $30 total and you'll also get free shipping!