The first thing to consider is what you need to do to trigger your free bet bonus. Almost all bookmakers will require you to make a minimum deposit and bet to unlock your free bet rewards ahead of Cheltenham. The minimum deposit and minimum bet requirements vary by bookmaker, but the most common amounts are £10 and in some cases £5. There is also a minimum odds requirement, which again varies by bookmaker, but typical minimum odds requirements include 1/5 (1.20) and 1/1 (2.00) or Evens as you will often hear it described.