How Much Home Can You Comfortably Afford? Understanding the Two Sides of Payment Certainty

One of the first questions homebuyers ask is:

“How much home can I afford?”

It’s an important question. But after years of helping Chicagoland homebuyers, I’ve found there are two questions that may be even more useful:

“How much cash am I comfortable putting into the purchase?”

and

“What monthly payment am I comfortable carrying?”

A mortgage pre-approval can help establish how much you may qualify to borrow. But qualifying for a certain loan amount doesn’t necessarily tell you how much you should spend, how much you should put down or what payment best fits your financial life.

That’s what I call Payment Certainty — the first of my Five Certainty Checkpoints.

Payment Certainty Has Two Sides

When buyers think about affordability, the conversation often starts and ends with the purchase price.

But the price of the home is only one part of the financial decision.

I encourage buyers to think about affordability in two ways:

1. The money you’ll need to purchase the home.
This can include your down payment, closing costs, prepaid taxes and insurance, initial escrow funding and other transaction-related expenses.

2. The monthly housing expense you’ll carry after closing.
This may include principal and interest, property taxes, homeowner’s insurance, mortgage insurance and condominium or homeowners association assessments.

Understanding both sides before you begin seriously shopping can help you establish a homebuying range that works not only for the transaction, but for your broader financial goals.

How Much Money Should You Put Down?

There’s a common misconception that buyers should automatically put as much money down as possible.

That isn’t always the right answer.

Depending on the loan program and your financial situation, there may be several down payment options available. The question becomes not simply “How much can I put down?” but “How much am I comfortable putting down?”

For example, putting additional money into a home may reduce the loan amount and monthly payment. But it also means those dollars are no longer readily available for other purposes.

Buyers may want to maintain funds for emergency savings, investments, retirement, home improvements, moving expenses or simply financial flexibility after closing.

For some buyers, a larger down payment makes sense. For others, preserving additional liquidity may be more important.

The goal is to understand the trade-offs before making the decision.

Then Determine Your Comfortable Monthly Payment

The second side of Payment Certainty is your ongoing housing expense.

During the pre-approval process, we calculate how much a buyer may qualify to borrow based on income, assets, credit and other financial obligations.

But qualification is only part of the conversation.

I also want to know:

“What monthly payment works comfortably within your life?”

A buyer may qualify for a certain payment but prefer to spend less because they want room in their budget for retirement savings, travel, college expenses or other priorities.

There is no universal right number.

The goal is to establish a monthly range that fits your financial priorities rather than simply focusing on the maximum amount you may qualify to borrow.

The Same Purchase Price Can Produce Very Different Payments

This is especially important for Chicagoland homebuyers.

Two homes with the exact same purchase price can have noticeably different monthly housing expenses.

Property taxes can vary considerably between communities — and even between similarly priced properties within the same community.

A condominium might have lower property taxes but a significant monthly assessment. Another home may have no association expense but considerably higher taxes.

Insurance costs can vary as well.

That’s why I encourage buyers not to assume that a particular purchase price automatically equals a particular monthly payment.

Shop with both the price and the payment in mind.

Put the Two Pieces Together

Once we understand the amount of cash you’re comfortable investing in the purchase and the monthly payment you’re comfortable carrying, we can begin working backward toward an appropriate homebuying range.

Instead of simply saying:

“I’m approved up to $650,000.”

the conversation becomes more useful:

“Here’s the price range that allows me to make a down payment I’m comfortable with, maintain the reserves I want and stay near my preferred monthly payment.”

That can provide both the buyer and their real estate agent with a much clearer financial framework for the home search.

Before You Make an Offer, Run the Numbers Again

This is one of the most important habits I encourage with my clients.

When you find a home you’re serious about buying, reconnect with your mortgage consultant before the offer is submitted.

Now we have a specific property and can update the numbers using the proposed purchase price, actual property taxes, association assessments if applicable, anticipated down payment and current financing assumptions.

We can also revisit the cash needed for the transaction and make sure the proposed down payment still makes sense.

It doesn’t need to be a long conversation.

Taking a few minutes to review both the cash requirement and estimated monthly payment can provide valuable perspective before making one of the largest financial commitments of your life.

Your real estate agent can help guide your offer and negotiation strategy, while your mortgage consultant helps you understand the financing behind that offer.

Don't Forget About Life After Closing

One of the most overlooked parts of affordability is what your financial position looks like the day after you buy the house.

Owning a home comes with expenses.

There may be furniture to purchase, improvements you want to make or repairs you weren’t expecting. And life continues — vacations, cars, college, retirement and emergencies don't disappear because you bought a home.

That’s why I generally don't want buyers looking only at whether they have enough money to complete the transaction.

I want them thinking about what they would like to have left after the transaction is complete.

Again, the goal isn’t simply determining what you can do.

It’s determining what makes sense for you.

A Smarter Way to Think About Affordability

So, how much home can you comfortably afford?

Your mortgage pre-approval can help answer part of that question.

But before focusing on the maximum purchase price, consider two numbers:

How much cash am I comfortable investing in the purchase?

What monthly housing payment am I comfortable carrying?

Once we understand those two numbers, we can begin building the homebuying strategy around them.

That’s Payment Certainty.

And it’s the first step toward Building Greater Certainty throughout your homebuying journey.

Want to Learn More?

Visit my Homebuyer Certainty Center for videos, resources and additional information designed to help you navigate the homebuying process with greater certainty.

Tracy Leddy is a Senior Mortgage Consultant with Prosperity Home Mortgage. NMLS #1910668. Equal Housing Lender.

This is for information only and is not a commitment to lend or a loan guarantee. Programs, rates and individual situations vary. Please verify details directly with me.