Now this is something. And it can perhaps be generalized to giving away other property you can't enjoy yourself. I might ask some of my friends if they had use

Now this is something. And it can perhaps be generalized to giving away other property you can't enjoy yourself. I might ask some of my friends if they had use for some stuff I have lying around, but certainly not every friends' friend. Then there are rebates, discounts... How to make social trading for small items?