http://torscamn4rshzrsbasnzigyez3svdzssgmkwfhig6kxnqnuq7oxwzpid.onion/common.html
If you see a site that sells 0.1 BTC for 0.05 BTC, that will ALWAYS be a scam. Fake money exists, and people can buy it, but I can guarantee you that you can’t buy it easily.