I sell keys resellable on marketplaces for more than 10 times the price. Checkout my store: https://bitcointalk.org/index.php?topic=1184265
You seem to be earning good profit with reselling keys but you are selling stolen microsoft keys which is unlawful and unsafe. I'd rather do claim on faucets to grow my btc than sell illegal stuffs.
Also people should avoid dealing with this user, his trust ratings says it all. 