13 Mortgage Mistakes to Avoid When Buying a Home

3 days ago

9 min read

Updated: 2 days ago

The mortgage journey is anything but simple. Mistakes can happen for nearly all mortgage buyers -- from first time homebuyers to seasoned real estate investors. In this article, we'll cover common mortgage mistakes, how to spot them, and tips for avoiding them.

Mortgage mistakes to avoid when buying a home in Colorado by Christiana Hill Hamlin of Hazel Mortgage

Mortgage Mistake 1: Waiting too long to check your credit

Credit problems are easier to fix before a lender reviews your application. If you wait until you are ready to make an offer, you may not have enough time to correct errors or improve your score.

Your credit affects several parts of the mortgage process:

Whether you qualify
Which loan programs fit
Your interest rate
Your mortgage insurance cost
Your required down payment in some cases

If your score needs work, focus on the basics:

Pay every bill on time
Bring down credit card balances
Avoid new debt
Keep older accounts open when possible
Dispute clear credit report errors

Even a modest rate change can affect your monthly payment and the total interest paid over the life of the loan.

At Hazel Mortgage, we offer all our clients a free credit analysis to help them pinpoint how to improve their scores - before we engage with lenders.

For many clients, small score improvements can materially improve their mortgage pricing!

Mortgage Mistake 2: Shopping for homes before getting preapproved

Looking at homes first is tempting. It makes the process feel real. But without a mortgage preapproval, it is easy to fall in love with a house outside your true budget.

A preapproval gives you a clearer idea of what a lender may offer based on your income, debt, credit, assets, and loan type. It also shows sellers that you have taken serious steps toward financing. In a competitive housing market, preapprovals are needed to put in a competitive offer (and sometimes to even tour a home!).

A preapproval is not a final loan approval. The lender still needs to verify details, review the property, and complete underwriting. Still, it is far better than guessing.

Before you tour homes, ask a lender for answers to questions like:

What purchase price range fits my finances?
What monthly payment would that create?
How much cash will I need at closing?
Which loan programs should I compare?
What could change my approval?

A strong mortgage preapproval helps you shop with more confidence. It can also prevent the stress of making an offer, then discovering the numbers do not work.

Mortgage Mistake 3: Chasing a loan amount you can't afford

A lender may approve you for more than you are comfortable spending. That does not mean you should borrow the maximum.

Mortgage approval looks at your financial profile, but it does not always capture your full life. It may not reflect child care, medical costs, family support, travel, hobbies, home maintenance, savings goals, or changes you expect in the next few years.

A better question is not “How much can I qualify for?” It is “What payment can I live with comfortably?”

Your monthly housing cost may include:

Principal and interest
Property taxes
Homeowners insurance
Mortgage insurance, if required
Homeowners association dues
Utilities
Repairs and maintenance

Create a sample monthly budget before you commit. Include your new housing payment and keep room for savings. If the payment only works when everything goes perfectly, the loan may be too tight.

A comfortable mortgage leaves space for real life, not just the minimum bills.

Mortgage Mistake 4: Ignoring the full cost of homeownership

The mortgage payment is only part of the cost. Many buyers focus on principal and interest, then feel caught off guard by the rest.

Property taxes can rise over time. Insurance premiums can change. Especially in states with natural disaster risk such as Colorado (wildfires) or Florida (water). Older homes may need repairs soon after closing. Newer homes may still require landscaping, window coverings, appliances, or furniture.

Plan for both predictable and surprise costs. A simple rule is to keep a separate home repair fund. The exact amount depends on the home’s age, size, condition, and location, but the habit matters more than the formula.

Common costs buyers forget include:

Moving expenses
Utility deposits or setup fees
Lawn care equipment
Pest control
Appliance replacement
Roof, plumbing, or HVAC repairs
HOA assessments
Higher commuting costs

Before making an offer, look beyond the listing price. Ask what it will cost to live in and care for the home month after month.

Mortgage Mistake 5: Making big financial changes before closing

A mortgage approval is not locked in just because you signed a purchase contract. Lenders often recheck your credit, employment, income, and assets before closing.

Big changes can create problems, even if they seem positive.

Avoid these moves unless your lender says they are safe:

Opening a new credit card
Financing furniture or appliances
Buying or leasing a car
Co-signing a loan
Changing jobs
Making large unexplained deposits
Moving money between accounts without records
Missing payments
Running up credit card balances

Even a new “same as cash” furniture deal can affect your debt-to-income ratio or credit score. Wait until after closing to make major purchases.

If a change is unavoidable, tell your lender right away. Surprises near closing are much harder to fix.

Mortgage Mistake 6: Assuming every mortgage is the same

Mortgages are not one-size-fits-all. The best loan depends on your credit, down payment, income, location, military service history, and long-term plans.

Common loan types include:

Conventional loans
FHA loans
VA loans for eligible borrowers
USDA loans for eligible rural and suburban properties
Fixed-rate mortgages
Adjustable-rate mortgages

A fixed-rate loan gives payment stability because the interest rate stays the same. An adjustable-rate mortgage may start with a lower rate, but the payment can change later based on the loan terms.

FHA loans may help buyers with lower credit scores or smaller down payments, but they include mortgage insurance rules. Conventional loans can be a strong fit for borrowers with solid credit. VA loans can offer major benefits to eligible service members, veterans, and surviving spouses.

At Hazel Mortgage, we partner with 50+ lenders and offer 100+ mortgage products to our clients. It's far from a one-size-fits all!

The first step to figuring out the right lender and product match for your situation, is to complete Hazel Mortgage's Application

Mortgage Mistake 7: Forgetting about the rate lock

Mortgage rates can change while you are buying a home. A rate lock protects your rate for a set period, such as 30, 45, or 60 days, depending on the lender and loan.

If your rate is not locked, your payment could change before closing. If your lock expires, you may face extension fees or a new rate.

Ask these questions early:

Is my rate locked?
What rate is locked?
How long does the lock last?
What happens if closing is delayed?
Is there a fee to extend the lock?
Can the rate change for any reason?

A rate lock does not solve every issue. Your loan still needs final approval, and the property must meet lender requirements.

But mortgage rate locks do give you you more certainty while the purchase moves forward.

Mortgage Mistake 8: Skipping the loan estimate details can hide expensive fees

After you apply for a mortgage, lenders provide a Loan Estimate. This document helps you compare loan terms and costs.

Do not skim it. A few pages can reveal whether the loan is affordable and whether the offer matches what the lender promised.

Pay close attention to:

Loan amount
Interest rate
Monthly principal and interest
Estimated taxes and insurance
Estimated cash to close
Origination charges
Discount points
Prepayment penalties, if any
Whether the rate can increase
Whether the payment can increase

At Hazel Mortgage, we pride ourselves on transparency. Many mortgage brokers hide crazy fees in their Loan Estimates. If you want a second opinion, let's chat!

Mortgage Mistake 9: Draining your savings for the down payment

A larger down payment can reduce your loan amount and may help you avoid mortgage insurance. But using every dollar you have can be risky.

After closing, life continues. Cars break down. Water heaters fail. Medical bills appear. Jobs change. Homes need repairs at inconvenient times.

Keep an emergency fund if possible. Also keep money available for moving, basic repairs, and the first few months of home expenses.

A smaller down payment with healthy reserves may be safer than a larger down payment that leaves nothing in the bank. This is especially true for first-time buyers who have not yet experienced the full cost of maintaining a home.

At Hazel Mortgage, we love to show clients different down payment scenarios. Compare the monthly payment, cash to close, mortgage insurance, and remaining savings.

The best mortgage option is the one that best fits your situation - not always the one with the biggest down payment.

Mortgage Mistake 10: Underestimating closing costs

Closing costs are separate from the down payment. They can include lender fees, title charges, escrow items, prepaid taxes, prepaid insurance, recording fees, and other costs.

The exact amount varies by loan, property, state, and timing. That is why your Loan Estimate and Closing Disclosure matter.

Plan for closing costs early so you do not have to scramble late in the process. Ask your lender for a realistic estimate before you make an offer.

Some buyers negotiate seller credits to help with closing costs. This depends on the market, loan rules, and the seller’s willingness. Seller credits can be useful, but they are not guaranteed.

Also remember that “cash to close” is not just closing costs. It usually includes your down payment plus closing costs and prepaid expenses, minus any credits or deposits already paid.

Mortgage Mistake 11: Failing to document

Lenders need to verify where your funds come from. This is part of the mortgage process, and it can feel picky. But poor documentation can delay approval.

Be ready to provide:

Bank statements
Pay stubs
W-2s or tax returns
Proof of bonuses or commissions
Gift letters, if someone helps with funds
Records for large deposits
Asset statements
Identification documents

If a family member gives you money for the purchase, tell your lender before moving the funds. Gift money often has specific documentation rules. A casual transfer without paperwork can create extra questions.

Keep your finances simple during escrow. Avoid large cash deposits. Avoid moving funds between several accounts. If you must transfer money, save the paper trail.

Mortgage Mistake 12: Waiving key protections

In competitive markets, buyers sometimes waive contingencies to make an offer stronger. That can include financing, appraisal, or inspection protections. This may help an offer stand out, but it can also create serious risk.

A financing contingency may protect you if your mortgage falls through. An appraisal contingency may protect you if the home appraises below the purchase price. An inspection contingency may help you evaluate the home’s condition before fully committing.

Waiving these protections can mean losing earnest money or having to bring more cash to closing. In some cases, it can leave you stuck with problems you did not expect.

Review any decision like this with your real estate agent and lender. If needed, speak with a real estate attorney.

Waiving key protections to win a deal is only helpful if the risk is one you can actually handle.

Mortgage Mistake 13: Thinking the lowest monthly payment is always best can backfire

A low monthly payment can be attractive, but it is not the only measure of a good mortgage.

Some loans lower the payment by stretching costs over a longer term, adding upfront fees, or using an adjustable rate. Others rely on discount points, where you pay money upfront to reduce the rate.

That may be smart in some cases. For example, paying points can make sense if you plan to stay in the home long enough to break even. But if you expect to move or refinance soon, the upfront cost may not pay off.

Look at both short-term and long-term costs:

Monthly payment
Cash needed at closing
Total interest over time
Mortgage insurance
Break-even point for discount points
Flexibility if plans change

A mortgage should work today without creating regrets later.

Mortgage mistakes recap

The mortgage process is complex and filled with potentially costly mistakes. The best way to avoid mortgage mistakes is to talk to a 5-star loan officer before you begin shopping for homes. You'll know the process, your budget, and common mistakes to look out for. This simple step may save you thousands of dollars.

Reach out to Christiana Hill Hamlin of Hazel Mortgage to schedule your FREE mortgage consultation today.

Contact Christiana

Disclaimer: This article is for general informational purposes only and is not financial, legal, or tax advice.