How a Dual-Income Mortgage Works: The Math, The 3-3-3 Rule, and the 1-Salary Hack A dual-income mortgage is not a separate loan program. It is a standard home loan—conventional, FHA, VA, or USDA—where the lender underwrites two borrowers’ paychecks as…
How To Calculate A Balloon Mortgage Payment: The Short Answer To calculate a balloon mortgage payment, run two simple steps. First, compute the fixed monthly payment as if the loan fully amortized over the long stated term (often 30 years)…
When clients ask me how to calculate housing cost ratio, I give them the unglamorous truth upfront: the formula is Total Monthly Housing Expenses ÷ Gross Monthly Income × 100. If you earn $8,333 a month before taxes and spend…
The Straight Answer: How to Calculate Debt to Income Ratio To calculate your debt-to-income (DTI) ratio, sum every required monthly debt obligation—rent or mortgage, minimum credit card payments, installment loans, student loans, auto loans, and often overlooked items like buy-now-pay-later…
The Core Answer: How to Calculate Down Payment Assistance in One Breath To calculate down payment assistance, you must quantify four variables: (1) the maximum aid your program allows, (2) your baseline down payment required by your primary loan, (3)…
How to Calculate Closing Costs Without Guessing The direct answer to how to calculate closing costs is to build an itemized worksheet where each fee is derived from a formula tied to your home price, loan amount, or local tax…
The Straight Answer: How to Calculate Your Mortgage Payment If you want to know how to calculate mortgage payment without a black-box widget, start with the principal-and-interest (P&I) portion using the standard amortization formula: M = P × [ r(1+r)^n…
If you want to know how to calculate a savings goal, start with the future-value equation rather than a black-box calculator. The core formula is FV = P(1+r/n)^(nt) + PMT × [((1+r/n)^(nt)−1)/(r/n)], where P is your starting balance, r is…
The Exact Formula for the Series I Bond Composite Rate If you want to know how to calculate Series I bond rate, the answer is not a single published number but a two-part composite. The U.S. Treasury assigns a fixed…
What the ESPP Benefit Actually Is (and the Formula I Use) If you want to know how to calculate ESPP benefit in real after-tax dollars, start with this net benefit formula I developed after managing three separate Section 423 plans:…