How Much House Can I Afford?

Brentwood, TN • March 2, 2026

Buying a Home in Brentwood, TN

Purchasing a home is an exciting milestone, yet it represents one of the most significant financial commitments you will make. Before you dive into home listings or schedule tours, there is one essential question to consider: How much home can I comfortably afford?

This question goes beyond what a lender may approve or what an online calculator suggests. It’s about finding what genuinely aligns with your lifestyle, goals, and long-term financial plans. Let’s break down the key factors clearly.

Step 1: Understand the 3 Numbers That Matter Most

When assessing affordability, three main variables play a crucial role:

Your Income is the first consideration. This encompasses your base salary, any bonuses, commissions, and other consistent sources of income. Lenders typically evaluate your gross monthly income before taxes.

Your Monthly Debt follows closely behind. This includes all your recurring obligations such as car payments, student loans, credit card debt, personal loans, and any other debts. Lenders focus on your debt-to-income ratio (DTI) to determine your borrowing capacity.

Lastly, consider Your Down Payment. The more you can put down, the lower your monthly payments may be, and you may also secure better loan terms.

Step 2: Learn the Basic Formula

A common guideline is the 28/36 rule. This suggests that no more than 28 percent of your gross monthly income should go towards housing expenses, while no more than 36 percent should cover total monthly debts, including housing. However, this formula does not account for individual circumstances like your lifestyle, savings objectives, childcare costs, private school tuition, travel plans, or investments. It provides a framework but lacks a personalized strategy.

Step 3: Calculate the Real Monthly Payment

Your actual housing cost extends beyond just principal and interest. It is essential to factor in property taxes, homeowners insurance, HOA dues, mortgage insurance if applicable, and maintenance reserves. For instance, a home priced at $700,000 in Brentwood may have significantly different monthly payments based on local tax rates, insurance costs, and loan structures. This is why making assumptions can lead to miscalculations. To get a better understanding, visit the Mortgage Calculators section in our Resources dropdown. Here, you can explore various price points, down payment amounts, and interest rate scenarios to see how your payment could change.

Step 4: Ask a Better Question

Instead of simply asking, “How much can I afford?” consider this question: “What monthly payment supports the life I want?” For example, think about whether you want to maximize your retirement contributions, invest in real estate in the future, grow a business, or maintain flexibility if interest rates drop. Your affordability is not solely about the maximum loan size; it is about aligning your financial vision with your life goals.

Where Online Calculators Fall Short

Online calculators often make assumptions such as stable income, standard tax situations, clean credit histories, and straightforward employment structures. They may not account for bonus income, self-employment complexities, various down payment strategies, or the long-term implications of different mortgage options. While they provide mathematical insights, they do not help you build a comprehensive financial plan.

How We Help You Prepare the Right Way

At NEO, we prioritize clarity over loan amounts. Our approach includes a thorough analysis of your complete financial picture, which encompasses tax strategy, investment plans, liquidity, career trajectory, and long-term objectives. We present multiple scenarios, allowing you to see options like conservative comfort zones, strategic stretch scenarios, and wealth-optimized structures. Additionally, we strengthen your offer position, understanding that affordability is about more than just monthly payments; it’s about positioning yourself in a competitive market.

Our support continues even after closing. Your mortgage should not be a static element of your financial portfolio. Through tools within the NEO Experience, including equity tracking and mortgage strategy reviews, we help you manage your home as a valuable asset over time.

The Bottom Line

You may find that you can afford more than you realize or perhaps less than you should. The right number is not dictated by an algorithm; it is determined by your unique financial plan. Begin by exploring our Mortgage Calculators in the Resources dropdown, and then schedule a strategy conversation with our team. Together, we can map out a plan that aligns with your goals. After all, the aim is not merely to buy a house; it is to build a life that thrives long after you receive the keys.

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