How Much Home Can I Realistically Afford?

By Chad Rutherford — one of North Texas’ most trusted and highly referred mortgage brokers.

This is one of the most important—and most misunderstood—questions in home buying.

Most people start with a price.
Smart buyers start with a payment they’re comfortable living with.

Because the truth is: what you’re approved for and what you should spend are often very different numbers.

The Real Cost of Buying a Home

The biggest mistake buyers make is focusing only on the purchase price. Your monthly payment is made up of several moving parts:

1. Down Payment

Typically ranges from 0% to 20%+
Lower down payments are possible (FHA, VA, USDA, conventional 3%)
More down = lower monthly payment (but less cash on hand)

2. Closing Costs

These are upfront costs due at closing, usually 2%–5% of the purchase price.

They include:

Lender fees
Title and escrow fees
Prepaid taxes and insurance

3. Monthly Housing Costs

This is where affordability becomes real.

Your payment may include:

Principal + interest
Property taxes (higher in Texas)
Homeowners insurance
HOA dues (if applicable)
Mortgage insurance (if under 20% down)

This total payment—not the price—is what you need to be comfortable with.

The 30–33% Rule (And Why It Matters)

A solid guideline:
Keep your total monthly housing payment at 30–33% of your gross income.

But here’s the nuance most people miss:

This rule doesn’t account for lifestyle
It doesn’t factor in debt, childcare, or savings goals
It doesn’t reflect rising costs like insurance and taxes

So use it as a starting point—not a decision-maker.

What You Should Really Be Asking

Instead of “How much can I afford?” ask:

How much do I want to spend comfortably each month?
Will this payment still feel okay if expenses increase?
Am I still able to save and invest?
Does this fit my lifestyle—not just my approval limit?

Tools That Help You Get It Right

Online calculators can be helpful—but most are overly simplified.

They often:

Underestimate taxes and insurance
Ignore local factors (like MUD/PID taxes in Texas)
Give you a number that looks better than reality

A better approach:

Use calculators for a rough range
Then have a lender build a real payment scenario based on your target areas

A Smarter Way to Think About Affordability

Here’s a more grounded framework:

Step 1: Start with your ideal monthly payment

Not your max—your comfort zone

Step 2: Factor in all costs

Taxes, insurance, HOA, etc.

Step 3: Reverse-engineer your price range

Now you’re working from reality, not guesswork

The Truth Most Buyers Learn Too Late

Being “approved” doesn’t mean you should spend that much
A home can look affordable on paper and still feel stressful monthly
The right home is one that supports your life—not stretches it

Final Thought

Affordability isn’t about chasing the highest price you can qualify for.

It’s about finding the home that fits your finances and your life.

When done right, your home should feel like a step forward—not a financial strain.