HomeWhat Is The 50/40/10 Budget Rule? What Is The 50/40/10 Budget Rule? 1. Needs: 50%Housing(not more than 10%), food, transport, medical expenses, and essential debts.2. Savings and Investments: 40%Emergency funds, self-education, stocks/ETFs, rentals, properties, etc.3. WantsRestaurants, entertainment, vacations, luxury items, electronics, etc