I don't see the point of props, anyway. I don't think I'd care if they weren't free. Besides, what do आप even mean द्वारा free? They aren't "free" now, because someone else still has to actually give them to you.
प्रॉप्स will never have to cost money. It could result in violence, and in extreme cases, even lawsuits. Not a good idea to bring money into something like this. Plus, richer people, या people willing to spend और money might feel that they shouldn't be giving प्रॉप्स to people who won't give back, i.e. people with little या no props, thus creating social classes on Fanpop, which is one of the things many people शामिल होइए फैन्पॉप to temporarily escape from. I know that if आप प्रॉप्स started costing money, I would protest against it, and if that didn't work, I would quit.