Never, ever, ever pay a deposit. Ever. For that matter, never ever pay £5/600p.h. either. Mental amount of money, it's utterly certain to be disappointing for all but the fluffiest of fluffies. "Sure she disappeared for 10 mins at the beginning and end, which was technically 200 quid of my money, but it was THE girl, the one I've seen on pornhub, and she's soooo hot, it was toally worth it to breathe the same air as her" etc etc.