
"How much house can I afford?"
It's the question I hear more than any other — and the honest answer is that it's really two questions wearing one trench coat. Confusing them is how people end up house-poor in a home they technically qualified for. Separating them is how you buy a home you're still happy in three years later.
Let's separate them.
This is the number a lender calculates. It's mostly a math formula built from your income, your existing debts, and your credit — the core of it is something called your debt-to-income ratio (DTI), which compares your monthly obligations to your monthly income.
Run the formula and out comes a ceiling: the maximum loan you can qualify for. Online calculators estimate this. Lenders calculate it precisely.
Here's what nobody tells you about that number: it's a maximum, not a recommendation. The formula doesn't know about your daycare bill. It doesn't know you like to travel, that you're saving for retirement, that your car is on its last legs, or how much you value not feeling stretched every single month. It knows your paystub and your credit report, and that's all it knows.
This is the number that actually matters, and it's almost always lower than the first one.
The smartest buyers I work with do something deliberate: they figure out the monthly payment that lets them keep living their life — saving, traveling, handling surprises — and then they buy below their approval ceiling on purpose. Breathing room is worth more than square footage. Nobody has ever told me they regret having margin in their budget.
So flip the question. Instead of "what's the most I can get?", ask "what monthly payment do I never want to exceed?" — and work backward from there to a price range. That's a fifteen-minute conversation with a lender, and it changes how you shop entirely.
"The mortgage payment" is bigger than most first-time buyers expect, because it's really four or five payments bundled together:
A good lender shows you the full number for the actual homes you're considering — not just the flattering part. When someone shows you only principal and interest, your real payment will arrive later as a surprise. Surprises are the enemy.
Two homes at the same price can produce meaningfully different monthly payments depending on how the loan is structured. A few levers worth knowing about before you shop:
This is exactly why the affordability conversation should happen before you fall in love with a house — small structural choices can shift your monthly payment more than a modest change in purchase price.
Affordability here still compares favorably to much of the country, but the honest local truth is that prices have climbed enough that the "just stretch a little" instinct is riskier than it used to be. The buyers who do best in this market are the ones who walk in with a firm monthly number and the discipline to hold it — because a clear budget is also a negotiating advantage. You can move fast and confidently on the right house when you already know your line.
What percentage of my income should go to my mortgage? The old rules of thumb (like keeping housing under about a third of your income) are decent starting points, but they're generic. Your right number depends on your actual life — debts, goals, kids, savings habits. That's why I'd rather help you find your number than hand you a formula.
Do lenders count all my income? Not always — overtime, bonuses, self-employment income, and side income each have their own rules about when and how they count. If your income isn't a simple salary, that's worth a conversation early, because it can change your number meaningfully in either direction.
Should I get pre-approved before figuring out my budget? Do both together. A real pre-approval conversation is the budget conversation when it's done right — it should end with you knowing your ceiling, your comfortable number, and the difference between them.
Can I use an online calculator instead? Calculators are a great starting point — mine are on this site and I'd genuinely encourage you to play with them. Just remember what they can't see: your full debt picture, tax differences between communities, insurance, and loan structure. Use them to explore; use a conversation to decide.
Who do you work with in West Michigan? Buyers and homeowners across Grand Rapids, Grandville, Wyoming, Kentwood, Rockford, Ada, Jenison, Caledonia, Holland, and the surrounding Kent, Ottawa, Allegan, and Barry county communities.
Want your real numbers — both of them? Run the calculators on this site to get a feel, then call or email me and we'll pressure-test the results against your actual life. Fifteen minutes, no pressure, and if the honest answer is "your budget says wait," that's the answer you'll get.
Joe Bastien · Bastien Mortgage LLC NMLS #2392887 · Company NMLS #2852005 616-369-0021 · joe@bastienmtg.com · bastienmortgagemi.com Equal Housing Opportunity
This article is educational and is not a loan offer, approval, or commitment to lend. All loans are subject to underwriting approval.