This sounds really fun! It is one of those ideas that when you first hear it doesn't make a lot of sense. I'm not sure how it will handle transaction costs thou

This sounds really fun! It is one of those ideas that when you first hear it doesn't make a lot of sense. I'm not sure how it will handle transaction costs though. It might be better to allow a minimum of $1 to be added in credits and use that to charge for letters.