# Mortgage Basics: A Guide from a 24-Year Pro

By Ken Graczak (@kengraczak) · Published 2026-09-29

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A mortgage is a loan used to buy or refinance real estate, secured against the property itself — if you stop paying, the lender can foreclose and take the home. In exchange for that security, you repay the borrowed amount plus interest over a set term, usually 15 or 30 years, with the home serving as collateral throughout. It is the largest debt most people will ever carry, and understanding how it works is the difference between a strategic financial move and a costly one.

As a mortgage broker in Bloomington, Minnesota, I've spent 24 years watching buyers treat a mortgage two very different ways: as a bill to survive, or as leverage toward a long-term plan. That second mindset is the one that builds wealth, and it's the lens this guide uses. I've seen it pay off countless times — a nurse who chose a 30-year over a 15-year to keep cash free for her kids' college, a couple who refinanced at the right moment to drop their payment by $400 a month. The loan isn't the goal. It's a tool that gets you to the goal.

#### Key Takeaways

-   A mortgage is a loan secured by the home itself — the lender can foreclose if you stop paying
-   The 2026 market: 30-year fixed rates recently reached 7.22%, up from 6.91% earlier in September
-   The 2026 conforming loan limit is $832,750; the FHA floor for one-unit homes is $541,287
-   Choosing between loan types comes down to your down payment, credit score, and how long you'll stay

## What does a mortgage cost in 2026?

The headline number is the interest rate, and it drives everything else. In September 2026, the national average on a 30-year fixed mortgage climbed to **7.22%**, according to the Wall Street Journal's daily rate tracking ([WSJ](https://www.wsj.com/buyside/personal-finance/mortgage/mortgage-rates-today-9-28-2026)). That's up from **6.91%** just three weeks earlier ([WSJ](https://www.wsj.com/buyside/personal-finance/mortgage/mortgage-rates-today-9-8-2026)), a reminder that rates move quickly and a good rate you lock today can be gone tomorrow.

![30-year fixed mortgage rate chart](https://preview.redd.it/latest-average-30-year-fixed-mortgage-rate-in-the-unites-v0-5mqcxrnmjtof1.png?auto=webp&s=bf2ebc41b32efeabfba1f6591907601d507e5ae6)

The Federal Reserve has been lowering its benchmark rate through 2026, but that hasn't translated into cheap mortgages. U.S. mortgage rates have stayed well above 6% — averaging **6.48%** in early June 2026 after a sharp jump from a 6% low in February, according to Freddie Mac data reported by PBS News ([PBS NewsHour](https://www.pbs.org/newshour/economy/u-s-mortgage-rates-are-staying-high-and-the-federal-reserve-can-do-little-about-it)). The takeaway for buyers: don't wait for a perfect rate. A move of even half a percentage point changes your payment by hundreds of dollars a month, so locking when you're ready matters more than timing the market.

## More Than Just a Loan

Legally, a mortgage is a lien — a claim the lender holds against your home as collateral. You keep the title and live in the house, but the lender keeps the right to foreclose and sell it if you fall behind. That collateral is why mortgage rates run far below credit-card or personal-loan rates: the lender's risk is backed by an asset it can reclaim, and the credit market prices that in.

That security is also why the loan rewards strategy over impulse. A 30-year fixed is the largest, longest financial commitment most people ever make, and the interest you pay on it is typically the single biggest household expense after housing itself. Choosing between a 15- and 30-year term, or between FHA and conventional, is a decision about cash flow and timeline — and that decision is where a broker's judgment matters. I walk every client through the same three questions first: how much do they have for a down payment, what does their credit qualify, and how long do they plan to stay in the home. The answers point to the loan.

## What are the 2026 loan limits?

Loan limits cap how much you can borrow under a standard mortgage before the lender starts charging more. For 2026, the conforming baseline — the ceiling for a mortgage Fannie Mae and Freddie Mac will buy — is **$832,750** in most U.S. counties, up from $806,500 in 2025. A loan above your county's limit is classified as jumbo, and jumbo loans typically carry higher rates and stricter down-payment requirements. So before you shop, check your target home against the number: if the loan amount stays under it, you keep conventional pricing ([Future Home Loans](https://future.loans/mortgage-loan-limits-explained)).

The FHA, which insures loans for first-time buyers and lower-credit borrowers, sets a parallel ceiling called the floor: **$541,287** for a one-unit home in low-cost areas — calculated as 65% of the $832,750 conforming baseline. In Bloomington and most of the Twin Cities metro, the county limit is the figure that decides whether an FHA loan fits, so a first-time buyer financing under that amount can tap FHA's lower 3.5% down payment and more forgiving credit bar. The practical takeaway: these numbers aren't abstract ceilings — they tell you whether your target loan lands in conforming territory or pushes you into the costlier jumbo lane ([Future Home Loans](https://future.loans/mortgage-loan-limits-explained)).

## Choosing the right loan for you

Your down payment and credit score do most of the work in deciding which loan fits. Conventional loans reward a 20% down payment by dropping private mortgage insurance, but you can put down less with good credit. FHA loans accept a smaller down payment and are far more forgiving of credit scores in the 580s, at the cost of a mortgage insurance premium you pay for the life of the loan. USDA and VA options cover zero-down paths for eligible rural and military borrowers — a real option for many families around the metro.

Time in the home matters just as much. A fixed-rate loan locks your payment for the full term, so it rewards buyers who plan to stay five years or more. An adjustable-rate mortgage starts lower but can reset upward, making sense mainly for short-timers who will sell or refinance before the first adjustment. Refinancing — replacing your current loan with a new one — becomes the strategic move when rates drop enough that the new payment and closing costs pay back within your time horizon. That's why the current national average matters: with the 30-year fixed running at **7.22%** ([Wall Street Journal](https://www.wsj.com/buyside/personal-finance/mortgage/mortgage-rates-today-9-28-2026)), a homeowner who locked in at 3% or 4% a few years ago should think carefully before giving up that payment for a higher one.

## How your payment actually gets built

A mortgage payment isn't just interest on the balance — it's split into four parts: the principal (paying down what you borrowed), the interest (the lender's profit), property taxes, and homeowners insurance. Lenders bundle all four into a single monthly payment, so what you "pay" each month includes money that never goes to the loan itself.

Early in a 30-year fixed mortgage, almost all of your payment goes to interest; the principal barely moves for years. That's the mathematics of amortization, and it's why so little equity builds in the first several years. It's also why a 15-year term is so powerful: the same monthly discipline builds equity roughly twice as fast and saves a fortune in interest over the life of the loan. For a borrower with stable income and a long horizon, that trade is often the single smartest financial decision available.

## Making it work in the Twin Cities

Bloomington sits in a market where these numbers become very real very fast. Home prices across the Twin Cities have climbed for years, so first-time buyers here are often choosing between stretching for a conventional loan or locking in an FHA option that protects them with a lower down payment and insurance built in. The loan limits matter in both cases: staying under the conforming baseline keeps your rate lower, and the FHA floor means a modest first home in the metro still qualifies for the program's protections.

The strategic test I put to every Twin Cities buyer is simple: does the payment fit your budget with room to spare, and does the loan match how long you'll stay? A mortgage you can carry comfortably for a decade — while building equity and keeping cash for life's surprises — beats a slightly cheaper payment that leaves you stretched. That's the difference between a mortgage as a bill and a mortgage as a tool.