You can get the exact same mortgage in very different places — and where you apply genuinely changes what's on the menu and what it costs. Here are the four common channels, how each one makes its money, and why that matters to you.
Bank
A retail bank offers its own mortgage products — one menu. If you already bank there, it's convenient, and you might see a relationship perk. The trade-off is range: you're limited to that bank's products and its overlays (the extra rules a lender layers on top of the basic guidelines). A great fit for some files, a flat "no" or a pricey "yes" for others.
Mortgage lender (non-bank / direct lender)
A mortgage lender — including most of the big online names — lends its own money, then usually sells the loan afterward. Because mortgages are the whole business, these lenders often carry more product variety than a single bank and compete hard on price. You're still working from one company's product set, but it's typically a broader one.
Credit union
A credit union is member-owned and not-for-profit, which often shows up as competitive rates and lower fees, plus a member-first feel. Two things to know: you generally have to be a member to borrow, and the product range can be narrower than a big lender's. Credit unions also more often keep and service your loan in-house.
Mortgage broker
A broker doesn't lend their own money. Instead, they take your application and shop it across many wholesale lenders to find a fit — which makes them especially useful for a file that's tricky or that one lender turned down. A broker is compensated either by the lender or by you, and that compensation is disclosed on your paperwork.
How each one gets paid — and why it doesn't have to scare you
Banks and lenders make money on the loan itself (origination, and selling or servicing it afterward). Brokers are paid a disclosed amount by the lender or borrower. Credit unions, as not-for-profits, push value back to members. The reassuring part: whatever the channel, your actual costs land on the same document — the Loan Estimate. That's the great equalizer. You don't have to reverse-engineer anyone's business model; you just have to read and compare the LE.
Why the channel changes your price
Each of these has a different set of products, different overlays, and different pricing. The same borrower can be a confident "yes" at one and an expensive "maybe" at another. A broker casts the widest net; a single bank, the narrowest. That's not a knock on any of them — it's the reason to shop.
The takeaway
Get a Loan Estimate from more than one channel and compare them apples-to-apples — same loan amount, ideally the same day, since rates move. And compare the total costs, not just the headline rate. Where you apply is one of the few parts of this whole process fully in your control; use it.
Compensation structures and product availability vary by institution. Confirm the specifics with each one, and compare Loan Estimates side by side.