Actually, selling blood is legal in the US under the same law that legalises selling plasma. But hospitals won't use sold blood to inject into patients because

Actually, selling blood is legal in the US under the same law that legalises selling plasma. But hospitals won't use sold blood to inject into patients because even if it goes through testing for diseases, they consider it too high a risk. https://www.statnews.com/2016/01/22/paid-plasma-not-blood/ https://www.statnews.com/2016/01/22/paid-plasma-not-blood/