o7 Amerikkka
I actually donate about twice a week to help pay bills. I agree with people hearing about the practice of blood for money and saying "that doesn't sound healthy.". I actually feel awful for 24 hours or more post donation.
It's also really cool you don't get saline anymore because the US is out of it. Just a Powerade and goldfish so you don't pass out driving home
I try to treat myself to a sandwich or something after, then pass out. It really makes me tired, so I do it after my 9-5. Weirdly, to your point, you think of the food your craving after and how much of your fluid is cost lol