Change the difficulty in menu before selecting the game.
If you want to use with (More Heists in Crime Spree MOD)
Download the alternative version
Put it into mods folder
To change rewards/difficulty you need to restart the game so it is recommend that you download RELUA MOD and assign a key for fast reloading of the game: https://modworkshop.net/mod/20842
Change the difficulty in menu before restarting
Changelog:
Compatibility with More Heists in Crime Spree
Improved code
Rewards Increased (10,12,17,25 to 10,17,25,50) as requested by players
If you want to improve my code feel free to do it and post in the comments below