Some people will try to steal anything, even if it's nailed down. And some people will respect the sign that says "limit 1 free, otherwise please drop $5 in th

Some people will try to steal anything, even if it's nailed down. And some people will respect the sign that says "limit 1 free, otherwise please drop $5 in this slot." Sometimes you have to help the second group by not making them feel like suckers, but they are a much easier group to rely on to pay your rent.