Buying a Home or Car Without Wrecking Your Plan

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A house and a car are the two largest purchases most families ever make — and the two most emotionally charged. Sellers, lenders, and our own excitement all push in the same direction: more. The plan's job is to decide the number before the emotion shows up.

A home's real cost isn't the price

The sticker price is where the costs begin. The true annual cost of owning includes mortgage interest, property taxes, insurance, and maintenance — and maintenance alone commonly runs on the order of 1–2% of the home's value per year, arriving in lumpy, inconvenient amounts. Add transaction costs of several percent on each end, and the math delivers a clear rule of thumb: if you may move within a few years, renting is often the financially sound choice, not the wasteful one.

How much house: guardrails that protect the rest of the plan

• A common lender guideline caps housing costs near 28% of gross income, and all debt payments near 36% — treat those as ceilings, not targets.
• A larger down payment isn't just about rates — it's a volatility buffer that keeps a dip in home prices from trapping you.
• Keep the emergency fund outside the house budget. A home purchase that empties every account is a purchase you couldn't afford.
• Buy for at least a five-to-seven-year horizon, or be honest that you're renting from the bank with extra steps.

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Cars: you're really buying depreciation

A car's biggest cost isn't gas or insurance — it's the value that evaporates while you own it, steepest in the first years. That single fact drives the sensible playbook: lightly used beats new for pure economics, boring and reliable beats exciting, and driving a paid-off car for years after the loan ends is one of the quietest wealth-building moves available. If you do finance, shorter terms keep you from owing more than the car is worth.

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Nobody's net worth was ever built in a dealership. Buy the car that lets you forget about the car.

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Save for the purchase without derailing the plan

Big purchases get their own bucket: a separate, automatic savings stream, held conservatively — money needed within a few years doesn't belong in the stock market, where a badly timed decline could shrink your down payment right when you need it. The retirement contributions keep running untouched in the background. That separation is the whole trick: the house fund and the future fund never compete, so neither one gets raided.

Big purchase on the horizon? IPM Advisory can stress-test the numbers — how much home, finance vs. pay cash on the car, and how to save for it without pausing your future.

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