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43% DTI wall" actually real in 2026, or just a myth people repeat?
Been lurking here a while and wanted to start a discussion because I keep seeing conflicting takes.
Half the threads say if your DTI is over 43% you might as well not bother applying. But the more I dig, the more that seems outdated? From what I've read, conventional loans can run near 50% through automated underwriting now, and FHA goes even higher with decent reserves. There are apparently whole programs built as loans for high debt to income ratio, so the "hard wall" idea doesn't add up to me.
So I'm curious what people here actually experienced:
- What was your back-end ratio when you got approved?
- Did paying down a card or doing a debt consolidation move make a real difference before applying?
- For homeowners, did anyone tap a HELOC or home equity loan with a high DTI to clean things up first?
Would love to hear real numbers and stories, not just the usual "improve your credit" advice. What actually worked for you?
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3 replies
The “near 50%” conventional figure needs a bit more definition before it’s useful:
- Are you referring to **back-end DTI**, calculated from documented monthly obligations plus the proposed housing payment?
- Does that 50% apply only when automated underwriting approves the file, rather than being a blanket limit for every conventional loan?
- Are the lender’s own overlays, reserves, credit profile, and loan type being separated from the agency’s automated-underwriting rules?
That distinction matters because an AUS approval at a given ratio doesn’t necessarily mean a manually underwritten file, a different lender, or a borderline income calculation will receive the same treatment. It’d also help to know whether the examples include debts that are paid off or excluded from the application, since that can change the ratio substantially.
The “debts paid off or excluded” point is especially important because DTI responds to the **monthly payment**, not the balance by itself. Paying $5,000 toward a card may barely move the ratio if the required payment stays similar, while eliminating a $350 car payment can make a noticeable difference immediately.
For a useful before-and-after comparison, keep the applicant and income constant and show:
- Back-end DTI before payoff
- Monthly payment removed
- Back-end DTI after payoff
- Whether the payoff used cash, a consolidation loan, or another secured debt
A consolidation loan can lower the card payments but still leave the total obligation in the calculation, and a HELOC isn’t magic either. Its payment may reduce one debt while adding another, plus the lender may scrutinize the source of funds and reserves. The cleanest improvement is usually removing a qualifying monthly payment, not simply making the balance look smaller.
For comparable approval examples, it would help to post them in one format: loan program, back-end DTI, AUS versus manual underwriting, and whether the lender accepted the file at that ratio.
The lender’s overlay matters as much as the program label. A conventional AUS approval around 49% or 50% at one lender does not mean every lender will take the same file. Credit score, reserves, property type, loan purpose, and income documentation can all affect the outcome.
That would make “50% is allowed” less misleading. It may describe one automated scenario, not a universal ceiling.