Quick Answer

Do not spend early story-mode cash on random vehicles or low-impact properties. Prioritize weapons, armor, and ammo that directly help missions. Save bigger investments until main missions and heists stabilize income.

Spending Priority

PriorityItemWhy
HighArmor, ammo, common weaponsDirect mission success value
MediumMission-relevant upgradesBuy when there is a clear use
LowRandom vehiclesMany are replaced by mission flow
LaterProperties and collectingBetter after cash flow improves

Beginner Advice

ProblemAction
Missions fail oftenBuy armor and refill ammo
Cash feels lowPush story and heists, avoid random cars
Weapon choice is unclearUpgrade common weapon types first
Completion goalsSave map cleanup for later