Ok I was just wondering, paying for something (or trading your) time should be an option. For example I have a useless book/gadget which I want to give away and

Ok I was just wondering, paying for something (or trading your) time should be an option. For example I have a useless book/gadget which I want to give away and on the other hand I have some documentation which I want to format I can put up a note that anyone who knows LaTeX can format the doc and have that book/gadget for them self.