$30 daily equates to $7300 per anum which is more than doubling your original investment.  Only loan sharks are going to reel in those kinds of profits - If you really want to risk all for a quick buck, then the lending section is the way to go with bitcoin falling from favour over USDT which you have got an abundance of (apparently).

Don't be surprised if Internal Revenue start breathing down your neck for a slice of your profits.