Redeem the bonus at the casino cashier.
Use the code 80BIGTIME and get $80 free bonus.
Use the code 5DIMES and get $5 free bonus.
Use the code 10SLOTSSPIN and get $10 free bonus.
Use the code 80COMEON and get $80 free bonus.
Max cash out for the free bonus is twice the bonus amount.
Best of luck!