If you’ve ever been down to your local thrift store at opening time on Monday morning, you’ll see a line of people waiting to get in. What are they doing? They want first pick on the cheap new items in store so they can resell them for a profit.
The plasma will then be separated from the blood, some of which is given back to you. It’s a quick process, and you get paid immediately after donating.
Single donations usually pay $40-$70, depending on how much plasma they take. You can donate twice weekly.
Donating sperm can be a lucrative side gig, but if you’ve never done it before, you can’t just donate today and get paid. You have to go through some initial assessments. Even assuming your sperm passes testing, it could be weeks before you get accepted as a sperm donor.