In the Pro Shop, you can purchase items that give you Permanent or Temporary Boosts in game!
In the Pro Shop you can also purchase Golden Balls!
Golden Balls allow you to purchase the following power ups:
1) Cash Advance: Grants 3, 12, or 24 hours worth of Cash instantly depending on which advance you purchase!
2) Speed Boost: These will temporarily decrease the amount of time it takes for each of your golfers to earn money!
You can also spend real money or Golden Balls in the Pro Shop for Permanent Boosts:
1) Key Boost: this Boost gives you double your maximum chance to get a Key when you Reset!
2) Ad Pass: This Pass gives you all ad bonuses, without having to watch ads!
3) Cash Boost: This will permanently increase the amount of Cash you earn by 50%!