Because it's not clear that you can actually type in $0 and if you do you are a ...

		lukaslalinsky on May 12, 2015 \| parent \| context \| favorite \| on: Payments – Why we make you type "$0" Because it's not clear that you can actually type in $0 and if you do you are a "cheater". Right know it asks for money, before you even see what it is and what it does.