It's been 4+ years since my last trip, but I'm headed back in October and I have some free play at Caesars. I'll be using it for blackjack and if I remember correctly, it's use til you lose not just a 1 time play if you win...am I right or does my memory suck!? Also I forget what denominations I can get. $5, $10, $25 etc. can I split it up and do mostly $25 and the rest $10? Thanks for any answers and help!