The entire $4,700 was unusable unless I played the slots including the $1,500 of real money that I had put onto the site.
I then tried to join a poker tournament and my available balance was $0 with the $4,700 being locked in a bonus that required me to bet $66,000 to release any money. I then played Blackjack and got up to $4700 at which point I left the table.
What I wasn't aware of is that this unlocked a Bitcoin bonus of $1000.
I initially deposited $1000 Bitcoin and $500 from a credit card.