Prices for what.cd and ptp are waaay higher than $7
Good luck in finding them though
the fact you are selling a what.cd invite for more then that is a travesty. I was able to get an account for free from them on irc. Good luck in selling that though. Now post in your own thread
What's the point? Is it password-protected? Do you want someone to just sweep out your own private keys to some new private keys of yours? I can do that for free. PM me.