Answers:
r u crazy ?!?! are you aware that selling organs is forbidden ! why can't you be grateful that you own a functioning kidney, What if you gain renal disease soon and suddenly realize that you put your other full-bodied kidney on the black souk ? Grow up and start using your brains, unless you want to trade that as resourcefully !
No you can't put up for sale a kidney. Go donate some blood if you entail money. You can engender more of that.
i bequeath ya $5.