Dave Ramsey Clashes With Fidelity on This Key Mortgage Advice

Buying a home has rarely been harder. The median U.S. monthly housing payment hit $2,647 in mid-June, its highest level in a year and within roughly $100 of the all-time record set in 2023, according to Redfin. The 30-year fixed mortgage averaged 6.49% for the week ending July 9, 2026, per Freddie Mac. 

In this difficult climate, millions of Americans are trying to answer a specific question: How much house can you actually afford?

Two prominent experts offer very different answers. Dave Ramsey applies a strict post-tax income ceiling, regardless of your financial fitness or income stage. Fidelity Investments uses a pre-tax debt-to-income ratio, with a home value comparison as a secondary check. The gap between these two approaches is significant enough to determine whether a median-priced home is within reach. Here is what each framework says.

Editor's note: Mortgage rate data comes from the Freddie Mac Primary Mortgage Market Survey for the week ending July 9, 2026. Housing payment and home price data come from Redfin.

Ramsey caps housing at 25% of your monthly take-home pay

Ramsey's guideline says your total monthly housing payment, covering principal, interest, property taxes, homeowners insurance, and any HOA fees, should not exceed 25% of your monthly take-home pay after taxes. He pairs this with two additional requirements: a 15-year fixed mortgage and a 20% down payment. Spending above that threshold, Ramsey warns, leaves families without enough margin in the monthly budget to handle anything else.

Why Ramsey's 25% rule is difficult to meet right now

The 15-year fixed mortgage averaged 5.82% for the week ending July 9, 2026, according to Freddie Mac. At that rate, the principal and interest payment on a $320,000 loan (after 20% down on a $400,000 home) runs approximately $2,669 per month. 

Under the 25% post-tax ceiling, that requires take-home pay of about $10,676 a month. For most households, that means a gross income of roughly $170,000, about double the U.S. median household income.

Fidelity takes a different approach

Fidelity's core benchmark is the 28/36 debt-to-income ratio, applied to gross income before taxes. The front-end ratio limits monthly housing costs, including PITI and HOA fees, to 28% of gross monthly income. The back-end ratio caps total monthly debt obligations at 36% of gross income, per Fidelity.

Because both figures use pre-tax income, the 28/36 rule is considerably more permissive than Ramsey's post-tax cap on the same budget.

Fidelity also checks home value against annual income

As an additional check, Fidelity recommends that total home value be no more than three to five times a household's annual income. At the 3x end, a household earning $80,000 targets a home priced around $240,000. At the 5x end, the same income stretches to $400,000. 

According to the Harvard Joint Center for Housing Studies, existing home prices now sit at nearly five times the median U.S. household income, close to historic highs.

Fidelity factors in your expected earnings trajectory

Fidelity's framework also accounts for where you are in your career. If significant salary growth is likely, Fidelity says a payment that feels like a stretch today may become more manageable in a few years. The reverse applies when income growth is expected to be modest. 

This built-in flexibility distinguishes the DTI approach from Ramsey's rule, which applies the same 25% ceiling, regardless of career stage or future earning potential.

The 35/45 rule splits the difference between the two

A third guideline is the 35/45 rule, which caps total monthly debt at no more than 35% of pre-tax income or 45% of post-tax income. It sits between Ramsey's conservative post-tax approach and the standard lender DTI threshold. 

For households carrying student loans, car payments, or other debt, the 35/45 rule can serve as a useful checkpoint before committing to a monthly mortgage payment that looks affordable on paper.

Bottom line

Neither framework is definitively right, and direct comparison is slippery because they measure different things. Ramsey calculates from post-tax pay, Fidelity from pre-tax. Neither accounts for child care, wide variation in local property taxes, or the difference between a household early in its career and one at peak earnings (or whether you've already started investing and have a nice savings cushion). Use whichever approach fits your risk tolerance and income stability.

One cost that neither rule includes is ongoing maintenance. Fannie Mae recommends budgeting at least 1% of a home's value per year for repairs and upkeep. On a $400,000 home, that is $4,000 annually, or about $333 per month. Added to a mortgage payment already near the 25% or 28% threshold, maintenance alone can push the true monthly cost of homeownership well beyond what any affordability guideline captures.

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