Well, the incentive is a bit complicated: let's just say it involves having an easier time getting abroad. I don't have anything against cash though.
It wouldn't make sense to make the first post any clearer. Done; I had planned on tidying the first post all along, but I pushed that to tomorrow, and then to the following day, and... You know how it is.
You cannot be the stamp guy, unless you have the proper credits. *Winks*