The Top 5 Mistakes Homebuyers Make (and How to Avoid Them)

May 14, 2026 | Core Bank, Financial Education, Personal, Real Estate

Top 5 Mistakes Homebuyers Make
Buying a home is exciting. However, it is also one of the biggest financial decisions most people make. While the process may seem simple at first, common mistakes can lead to stress, delays, or costly surprises.

The good news is this: most homebuyer mistakes are preventable with the right preparation.

Below are the top five mistakes homebuyers make—and what you can do instead to protect both your purchase and your peace of mind.

TOPICS COVERED:

  • Making Financial Changes Before Closing
  • Not Getting Pre‑Approved Early
  • Underestimating the True Monthly Cost
  • Not Shopping Lenders
  • Maxing Out What You’re Approved For
  • Final Thoughts

1. Making Financial Changes Before Closing

Once you apply for a mortgage, it can feel like the hardest part is done. However, this is when many buyers unknowingly put their loan at risk.

Common examples include:

  • Taking on new debt, such as a car or furniture purchase
  • Changing jobs or income structure
  • Moving money between accounts or closing accounts

While these actions may feel routine, they can look risky to underwriters. As a result, lenders often re‑check credit, employment, and finances right before closing. Even small changes can cause delays—or denial.

What to do instead:
Keep your finances stable from application through closing. If you are unsure, ask your lender first.

2. Not Getting Pre‑Approved Early

House hunting without pre‑approval is like shopping without a budget. As a result, it often leads to frustration and missed opportunities.

Without pre‑approval, buyers may:

  • Fall in love with homes outside their budget
  • Submit weaker offers in competitive markets
  • Face last‑minute surprises when numbers are reviewed

Pre‑approval provides clarity, credibility, and confidence before emotions take over.

What to do instead:
Get pre‑approved early. This sets expectations and strengthens your offer when it matters most.

3. Underestimating the True Monthly Cost

Many buyers focus only on the mortgage payment. However, the full cost of homeownership includes more.

Additional expenses often include:

  • Property taxes
  • Homeowners insurance
  • HOA dues
  • Utilities and maintenance
  • Repairs and ongoing upkeep

As a result, a payment that looks comfortable can quickly become stressful.

What to do instead:
Budget for the total monthly cost. A lender or advisor can help estimate the full picture.

4. Not Shopping Lenders

Many buyers choose the first lender they speak with because it feels easier. However, rates, fees, and service levels vary widely.

Even small differences can save—or cost—thousands over the life of a loan.

What to do instead:
Compare at least two or three lenders. Ask about rates, closing costs, timelines, and communication. The best lender is the one that fits your needs.

5. Maxing Out What You’re Approved For

Just because you are approved for a certain amount does not mean you should use it all.

Mortgage approvals do not consider:

  • Lifestyle goals
  • Travel, hobbies, or childcare
  • Comfort with financial stress
  • Future income or expense changes

As a result, stretching too far often leads to feeling house‑poor.

What to do instead:
Choose a payment that supports your lifestyle. Flexibility leads to long‑term satisfaction.

Final Thoughts

Most homebuyer mistakes come down to timing and information. Fortunately, both can be managed.

A smoother homebuying experience starts with:

  • Preparation
  • Clear communication
  • Realistic budgeting
  • Asking questions early

With the right guidance, buying a home can feel exciting, manageable, and rewarding—long after closing day.

Resources

Check out our webpages for guidance on mortgage loans, mortgage calculations, and to view our mortgage team.

This article was written by Brian Dryak, Director of Residential Mortgage at Core Bank

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