Coinpayments has this limited promotion where they are gifting 100 CPS or 10$ BTC just fot create an account, plus 2,5$ for any referal you got.
But, as life it's not in rose color, you have to wait until June the first (06-01) to be able to exchange your CPS coins.
Click this link to get your first 10$ BTC:
https://www.coinpayments.net/index.php?ref=7345dcb8a76f2b3726a0ca2314e183c4