Wager the deposit once to get the FS.
Get 10 free spins if you are a Level 1 player with a £20 deposit.
Get 15 free spins if you are a Level 2 player with a £50 deposit.
Get 25 free spins if you are a Level 3 player with a £100 deposit.
Get 55 free spins if you are a Level 4 player with a £250 deposit
Best of luck!