Using AI to buy a home: where it helps and where it falls short

AI chat tools have become a common part of shopping for a home. Buyers use them to explain terms, compare neighborhoods and draft questions for their agent or lender. Used well, they save time. Treated as the final word on a mortgage, they can cost you money. This article explains how to use them well and avoid the common mistakes.

Where AI helps

• Learning the vocabulary. Ask it to explain escrow, PMI, rate locks or debt-to-income in plain words. Then check the answer against a source such as the glossary.
• Preparing questions. “What should I ask about a loan on a home with a well and septic?” is a useful prompt. You will go into the conversation better prepared.
• Organizing. It can turn scattered notes into a checklist of documents to gather, dates to watch and open questions.
• Exploring scenarios you already understand. It can help you think through trade-offs, such as a larger down payment versus keeping cash in reserve. For the actual numbers, use a mortgage calculator or a real quote rather than the chat.
• Reading listings. It can summarize disclosures, point out what a listing leaves out and draft questions for the seller’s agent.

Where AI falls short in a mortgage

Rules change, and AI answers can be out of date. Loan limits, mortgage insurance and program rules change every year, sometimes mid-year. For example, the 2026 conforming loan limit for a one-unit home is $832,750 in most of Southwest Colorado and $994,750 in San Miguel County. Fannie Mae removed its fixed 620 minimum credit score for loans approved through its automated system in late 2025, although most lenders still look for 620. A tool trained on older data may tell you something that was true two years ago, and state it with full confidence.

It does not know your file. Whether you qualify depends on how your income is calculated, your credit report, your assets and the property. Self-employment, overtime, gaps in work and gift funds all have specific rules. A general answer cannot tell you how an underwriter will read your situation.

It cannot price your loan. Rates and costs change daily and depend on your credit score, down payment, loan size, property type and lock period. Only a real quote, on paper, from a lender or broker tells you what you will pay. Ask for a Loan Estimate.

Local details matter here. In Southwest Colorado, homes on acreage, wells and septic systems, manufactured homes, USDA eligible areas and short building seasons all affect which loan fits. AI tools tend to give the suburban default answer, which often does not apply in Mancos, Dolores or Pagosa Springs.

It can be wrong without warning. AI tools can invent rules, mix up programs or cite guidelines that do not exist. Every specific claim is best treated as something to verify rather than as a fact.

Protect your financial documents

Your tax returns, bank statements, pay stubs and Social Security number are exactly what identity thieves want. Before you paste or upload anything into an AI tool:

• Do not share full documents or account numbers with a general chat tool. If you want help reading a document, remove names, account numbers and your SSN first.
• Check the tool’s data settings. Some tools use your conversations to train their models unless you turn that off.
• Send loan documents only through the secure portal we give you.
• Watch for wire fraud. Scammers use convincing emails, and now AI-generated voices, to send fake wiring instructions before closing. Always confirm wire instructions by calling your title company at a number you already know, never one from the email.

Commissions changed in 2024

Older articles and some AI answers still refer to a “standard” commission. There is no standard commission. Commissions have always been negotiable. After the National Association of Realtors settled the commission lawsuits in 2024, practice changes took effect on August 17, 2024:

• Offers of compensation to buyer agents can no longer be posted on the MLS. Sellers can still offer it outside the MLS, or offer you concessions.
• Before touring a home with an agent who uses the MLS, you sign a written agreement that states what the agent will be paid, or how the payment is calculated.
• Agent fees are fully negotiable and not set by law.

If you are using a VA loan, note that since August 2024 veterans may pay a buyer-broker fee, although it cannot be financed into the loan. Ask your agent, and ask us, how the fee will be handled before you write an offer.

How we use AI

We use AI tools in our own business. Daniel used them to help build the Mortgage Plan, which puts loan options side by side with your numbers. AI helped write the code. The calculations follow program rules and the pricing we receive from lenders, and they are tested against our own loan spreadsheets. AI helps us work faster. It does not replace the judgment, the licensing or the responsibility for getting your loan right.

That is the right way for you to use it too: as a fast, curious assistant, with a person you trust checking the parts that matter.

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Sources: FHFA: 2026 conforming loan limits. NAR: what the settlement means for buyers and sellers. VA Circular 26-24-14: buyer-broker fees (June 2024). CFPB: Loan Estimate explainer. FBI IC3: criminals use generative AI to facilitate financial fraud (December 2024).