What Can Disqualify Me From Buying a House? (Avoid These Costly Mistakes)

Buying a home is one of the most exciting milestones, but it can also come with unexpected surprises if you’re not fully prepared.

Many buyers assume that once they’re pre-approved, they’re in the clear. The reality is that there are still several factors that can derail a home purchase, even right before closing.

If you’re planning to buy a home in the Austin area, understanding what can disqualify you before it happens can save you time, money, and a lot of stress.

Let’s walk through the most common issues and how to avoid them.

1. Your Debt-to-Income Ratio Is Too High

Lenders look closely at your debt-to-income ratio, which compares your monthly debt payments to your income.

If you take on new debt, like a car loan or additional credit card balance, it can push you over the limit.

What to do instead:
Avoid opening new lines of credit
Keep credit card balances low
Talk to your lender before making financial moves

2. Changes to Your Job or Income

This one surprises a lot of buyers.

Switching jobs, becoming self-employed, or even changing your pay structure can raise red flags during underwriting.

What to do instead:
Stay consistent with employment during the process
Communicate any changes to your lender immediately

3. Drops in Your Credit Score

Your credit is checked more than once during the home buying process.

Even a small drop caused by missed payments or increased balances can affect your loan approval or interest rate.

What to do instead:
Make all payments on time
Avoid large purchases on credit
Monitor your credit throughout the process

4. Making Large Purchases Before Closing

It’s tempting to start buying furniture, appliances, or even a new car once you’re under contract, but this can seriously impact your loan.

Lenders may re-check your financials right before closing.

What to do instead:
Hold off on big purchases until after closing
Keep your financial profile stable

5. Missing or Inconsistent Documentation

Lenders need clear, consistent documentation to verify your financial stability.

Missing paperwork or discrepancies can delay or even stop your loan approval.

What to do instead:
Submit documents promptly
Be transparent about income and assets
Keep records organized

6. Issues With the Property Itself

Sometimes, it’s not you, it’s the home.

Problems with the appraisal, title, or condition of the property can impact your loan approval.

What to do instead:
Work with an experienced agent who can spot red flags early
Be prepared to negotiate or pivot if needed

The Most Common Mistake I See Buyers Make

The biggest mistake isn’t one specific action, it’s assuming that once you’re pre-approved, nothing else matters.

The home buying process is a financial snapshot over time, not a one-time check.

The buyers who have the smoothest closings are the ones who stay consistent, ask questions, and avoid sudden changes.

Final Thoughts

Buying a home doesn’t have to feel overwhelming, but it does require a little strategy.

The good news is that most of these issues are completely avoidable with the right guidance.

If you’re thinking about buying in the Austin area, I’d love to help you prepare so you can move forward with confidence and avoid surprises along the way.

Frequently Asked Questions

How much house can I afford based on my income?

Understanding your budget is one of the first steps in the home buying process. I break this down in detail in my guide on how much house you can afford, including what lenders look for and how to stay within a comfortable payment.

What credit score do I need to buy a home?

Credit requirements can vary depending on the type of loan you choose. If you’re unsure where you stand, I walk through the typical score ranges and how they impact your options in my credit score guide.

Do I really need 20 percent down to buy a house?

Many buyers are surprised to learn that 20 percent down is not required. There are several loan options that allow for much lower down payments, which I explain in another post.

How long does it take to buy a house?

The timeline can vary depending on your situation, the market, and how prepared you are going in. I outline what to expect from start to finish in my step-by-step timeline guide.

What are closing costs and how much should I expect?

Closing costs are an important part of your overall budget and can vary based on the price of the home and loan type. I cover what they include and how to plan for them in a separate post.

Have More Questions About Buying a Home?

Buying a home comes with a lot of moving parts, and it is completely normal to have questions along the way.

If you’re just getting started, I recommend exploring my other blog posts where I break down each step of the process in a clear and approachable way. From understanding your budget to navigating closing costs, these guides are designed to help you feel confident and informed at every stage.

If you ever want personalized guidance based on your specific situation, I’m always happy to help.

Amanda Santa

Realty Texas