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The “Total Monthly Cost” Test: Can You Really Afford This Home?

The “Total Monthly Cost” Test: Can You Really Afford This Home?

The “Total Monthly Cost” Test: Can You Really Afford This Home?

SEO Title: The “Total Monthly Cost” Test: Can You Really Afford This Home?
SEO Subtitle: Learn how Atlanta homebuyers can calculate the true monthly cost of owning a home beyond the mortgage payment

When buying a home, many buyers focus on one number:

“What will my mortgage payment be?”

But your mortgage is only part of the cost.

A home may look affordable based on the purchase price, but the actual monthly expense can be much higher after adding property taxes, insurance, HOA fees, utilities, and maintenance.

That's why it's important to use the “Total Monthly Cost” Test before deciding whether a home truly fits your budget.


1. Start With the Mortgage Payment

Your mortgage payment is usually one of the largest housing expenses.

Depending on your loan, it may include:

  • Principal
  • Interest

Your actual payment can vary based on your down payment, loan amount, interest rate, and loan terms.

But don't stop here.

A $2,000 mortgage payment does not necessarily mean your home costs only $2,000 per month.


2. Add Property Taxes

Property taxes can add a significant amount to your monthly housing expenses.

When comparing homes, look at the estimated annual property taxes and divide that amount by 12.

For example:

$6,000 annual property taxes ÷ 12 = $500 per month

That $500 needs to be included in your housing budget.

Property tax amounts can vary by location and property characteristics, so verify the current figures and understand that they can change.


3. Don't Forget Homeowners Insurance

Homeowners insurance is another recurring expense.

Insurance costs can vary based on factors such as:

  • Property location
  • Home value
  • Coverage
  • Deductible
  • Property characteristics
  • Insurance company

Get an insurance estimate before making a final decision.

A home with a slightly lower purchase price may not necessarily have lower insurance costs.


4. Include HOA Fees

If the home is part of a homeowners association, don't overlook the monthly or annual HOA fee.

HOA costs may help pay for:

  • Community amenities
  • Landscaping
  • Common areas
  • Security
  • Exterior maintenance
  • Community management

However, HOA fees and rules vary significantly.

Read the HOA documents and understand what the fee covers before buying.


5. Estimate Utilities

Utilities are easy to overlook because they aren't part of the mortgage.

Consider:

  • Electricity
  • Natural gas
  • Water
  • Sewer
  • Trash
  • Internet

A larger home may have higher heating and cooling costs.

When possible, ask about previous utility usage or obtain estimates for the property.


6. Plan for Maintenance

Every homeowner eventually has maintenance expenses.

You may need to pay for:

  • HVAC servicing
  • Landscaping
  • Plumbing
  • Appliance repairs
  • Pest control
  • Exterior maintenance
  • Gutter cleaning

Some expenses happen regularly.

Others appear unexpectedly.

That's why it's smart to set aside money every month for future maintenance.


7. Think About Major Repairs

Maintenance isn't the same as major repairs.

Eventually, expensive components may need replacement, such as:

  • Roof
  • HVAC system
  • Water heater
  • Appliances
  • Windows
  • Exterior materials

Before buying, find out the approximate age and condition of major systems.

A home with an older roof may require a very different financial plan than a home with a newer roof.


8. Don't Forget the Cost of the Commute

Housing costs don't happen only at home.

Your location can also affect transportation expenses.

Consider:

  • Gas
  • Tolls
  • Parking
  • Vehicle maintenance
  • Public transportation
  • Time spent commuting

A cheaper home farther from work may not be the cheaper option once transportation costs are included.

For Atlanta-area buyers, commute time and traffic should be part of the overall affordability conversation.


9. Consider Your Lifestyle

Two homes with the same monthly housing cost can feel completely different financially.

One may be close to:

  • Restaurants
  • Shopping
  • Parks
  • Work
  • Schools

The other may require more driving for everyday activities.

Ask:

“How much will this home cost me to live in—not just to own?”


10. Create Your Total Monthly Cost

A simple way to think about the calculation is:

Mortgage + Property Taxes + Insurance + HOA + Utilities + Maintenance + Other Housing Costs = Total Monthly Cost

For example, imagine a home with:

  • Mortgage: $2,200
  • Property taxes: $450
  • Insurance: $150
  • HOA: $75
  • Utilities: $250
  • Maintenance savings: $200

The estimated monthly housing cost would be:

$3,325 per month

The mortgage alone would have made the home look significantly cheaper.


11. Don't Forget Your Other Monthly Expenses

Your home isn't your only financial responsibility.

Before buying, consider:

  • Car payments
  • Student loans
  • Credit cards
  • Insurance
  • Groceries
  • Childcare
  • Healthcare
  • Savings
  • Retirement contributions
  • Entertainment

The goal isn't simply to qualify for the home.

The goal is to comfortably live with the home.


12. Ask Yourself What Happens If Something Goes Wrong

A good affordability test should include unexpected expenses.

What happens if:

  • Your car needs major repairs?
  • The HVAC stops working?
  • Your insurance increases?
  • Property taxes rise?
  • You have a temporary reduction in income?
  • A major home repair becomes necessary?

If your budget has no room for unexpected expenses, the home may be too expensive.


13. Don't Automatically Buy at Your Maximum Approval

A lender may approve you for a certain amount.

That doesn't mean you need to spend the maximum.

Your personal comfort level may be lower.

Think about the lifestyle you want after buying.

Would you rather have:

A more expensive home with less money left over?

Or:

A slightly less expensive home with more financial flexibility?

There isn't one right answer.

It depends on your goals.


14. Compare Homes Using Monthly Cost

When comparing properties, don't only compare listing prices.

Create a simple comparison:

Expense

Home A

Home B

Mortgage

$2,200

$2,400

Property Taxes

$450

$350

Insurance

$150

$140

HOA

$75

$0

Utilities

$250

$300

Maintenance Budget

$200

$200

Estimated Total

$3,325

$3,390

The home with the lower purchase price isn't always the home with the lower overall monthly cost.


15. Use the “Five-Year” Perspective

Don't only think about the first month's payment.

Ask:

“What could this home cost me over the next five years?”

Consider potential changes in:

  • Property taxes
  • Insurance
  • HOA fees
  • Maintenance
  • Utilities
  • Major repairs

You don't need to predict every future expense.

You simply need to recognize that homeownership costs can change.


The Total Monthly Cost Checklist

Before buying, ask:

☐ Do I know my estimated mortgage payment?
☐ Have I checked property taxes?
☐ Have I obtained an insurance estimate?
☐ Is there an HOA fee?
☐ What does the HOA fee cover?
☐ Have I estimated utilities?
☐ How much should I set aside for maintenance?
☐ Are major systems nearing replacement?
☐ How much will commuting cost?
☐ Can I still save money every month?
☐ Do I have an emergency fund?
☐ Could I handle an unexpected repair?
☐ Would I still be comfortable if some costs increased?


The Real Question Isn't “Can I Buy It?”

When you're shopping for a home, it's tempting to ask:

“Can I get approved for this house?”

But there's a better question:

“Can I comfortably afford to own this house?”

Those are two different questions.

Getting approved tells you what you may be able to borrow.

Understanding your total monthly cost helps you decide what you actually want to spend.


Final Thoughts

Buying a home is one of the biggest financial commitments many people make.

That's why the purchase price alone isn't enough to determine affordability.

Before making an offer, look at the complete monthly picture:

Mortgage + Taxes + Insurance + HOA + Utilities + Maintenance + Lifestyle Costs.

Then compare that number with your income, savings, financial goals, and comfort level.

A home should provide a place you enjoy living—not constant financial stress.

Don't just ask whether you can afford the mortgage. Ask whether you can comfortably afford the life that comes with the home.

--

Tina Jingru Sui 隋静儒

Associate Broker | Team Leader of TJS Team, Keller Williams 

Serving Metro Atlanta — Johns Creek, Alpharetta, Duluth, Suwanee, Buford, and beyond

404-375-2120

[email protected]

www.tinasui.com

WeChat: tinasuirealty

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