[Copy Prompt] House Purchase Stress Test Prompt · Writing AI Template

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I'm considering buying a home and want to know whether I can actually afford it if things don't go according to plan. Don't just tell me whether I qualify for the mortgage. Stress-test the purchase and tell me how much financial margin I would have after buying. Use current mortgage, property tax, insurance, and other relevant figures for my location where needed. Show everything in today's dollars.

Filing status: [single/married filing jointly]
Location: [city/state]
Income: my salary before taxes [$X/year], partner [$X/year or none]
Current living expenses excluding housing: [$X/month]
Current assets: cash [$X], brokerage investments [$X], retirement accounts [$X], other [$X]
Existing debts: [balance, interest rate, and monthly payment for each]
Home I'm considering: purchase price [$X] down payment [$X or X%] mortgage rate [X%] mortgage type [fixed/adjustable] loan term [X years] estimated closing costs [$X or calculate them] property taxes [$X/year or estimate them] homeowners insurance [$X/year or estimate it] HOA or condo fees [$X/month or none] mortgage insurance [$X/month or none] expected utilities [$X/month or estimate them]
Planned repairs, renovations, furniture, and moving costs immediately after purchase: [$X]

Calculate how much cash and non-retirement liquid assets I would have left immediately after the down payment, closing costs, moving costs, and planned work. Then calculate my normal monthly cost of owning the home, including mortgage principal and interest, property taxes, insurance, HOA, mortgage insurance, utilities, and a reasonable maintenance reserve. Show how much money I would have left each month after housing costs, existing debt payments, and my current living expenses. Then stress-test the purchase under these scenarios.

Income shock: one income disappears for 6 months and then 12 months
Major repair: I have an unexpected [$15,000/$30,000/$50,000] home repair during the first year
Housing-cost shock: property taxes, homeowners insurance, and HOA or condo fees increase by 25%
Mortgage-rate shock: if my mortgage can reset or will need to be renewed, calculate the payment if the rate is 2 percentage points and 3 percentage points higher
Forced sale: I have to sell after 3 years. Run this with the home worth the same amount I paid, 10% less, and 20% less. Include selling costs and any mortgage prepayment penalty, and calculate how much equity I walk away with after paying off the mortgage.

Finally, run one combined stress scenario: one household income disappears for 9 months, I have a $25,000 unexpected repair, and the home's market value falls 15%.

For every scenario, show monthly housing cost, monthly cash flow after all expenses, emergency savings remaining, how many months my liquid assets would last if cash flow is negative, whether I would need to sell investments or touch retirement accounts, home equity where relevant, and whether I could realistically keep the house without taking on new debt.

At the end, classify the purchase as one of four: Comfortable, Tight, Fragile, or Not financially resilient. Tell me which specific scenario breaks my finances first. Then tell me how much additional cash, lower purchase price, or larger monthly surplus I would need to move up one category.

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House Purchase Stress Test Prompt

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