Here are clear answers to the most common questions about Gross Scheduled Income.
What’s the real difference between GSI and EGI?
This is a key question. Think of GSI as your income in a perfect world. EGI (Effective Gross Income) is your income in the real world.
To find your EGI, just take your GSI and subtract what you expect to lose from empty units or late payments. For example: If your GSI is $100,000 and you predict a 5% vacancy rate, your EGI is $95,000.
Should I use my current rents or market rents?
Always use market rents for this calculation. Market rent is what a new tenant would pay today.
Why does this matter? If you charge $1,200 but the market rate is $1,500, using the higher number shows your property’s true potential. It reveals any “loss-to-lease”—the money you’re currently missing out on.
What “Other Income” sources am I forgetting?
Don’t leave money on the table! Smart owners find income in unexpected places. Common sources include:
Parking or garage fees
Laundry machines (coin or app-based)
Storage units or bike lockers
Monthly pet rent or one-time pet fees
Vending machines
Utility billbacks
Fees for internet, valet trash, or smart-home features
Electric vehicle (EV) charging stations.
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Is GSI the same as my profit?
No, not at all. This is the most important distinction.
GSI is your total potential revenue. It does not include any of your costs. Your profit is what remains after you pay all your bills—like property taxes, insurance, repairs, and your mortgage. GSI is the top-line number; profit is the bottom line.
Use this free gross scheduled income calculation and calculator.