Shops purchase currency unconditionally (coins need to be refreshed to be displayed), enter the garage, and vehicles can be purchased for free (Method 1), or enter the shop (requires the second game entry) to purchase "100 coins" twice to unlock all vehicles (Method 2).
Mod Menu / Add Health / Add Health and Money / Add Stamina / Get a Hearse / Get a Fuel Tanker / Get a Tank / Get an Apache Helicopter / Get a Jetpack / Get Stock Car 1 / Get Stock Car 2 / Get Stock Car 3 / Get Stock Car 4 / Get Weapon / Get a Revolution