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The down payment is the upfront cash portion of a home purchase, typically ranging from 3% to 20%+ of the price. Putting down less than 20% usually triggers private mortgage insurance (PMI), an additional monthly cost that protects the lender (not you) against default and typically adds 0.5-1% of the loan amount annually until you reach 20% equity. Closing costs — separate from the down payment — cover lender fees, title insurance, appraisal, attorney fees, prepaid taxes, and insurance, typically totaling 2-5% of the purchase price. Together, a buyer needs to budget both the down payment and closing costs as liquid cash at the time of purchase, which on a $350,000 home can range from $17,500 (5% down, minimal closing) to $87,500+ (20% down, full closing costs).
Build a savings timeline: pick a target home price, calculate three scenarios (3.5% FHA down, 10% down, 20% down), add estimated closing costs to each, then figure out how many months of saving at your current rate it would take to reach each target. Compare the monthly PMI cost of the lower down payment options against the opportunity cost of waiting to save more.
From your study of mortgages, you know that a home purchase involves a lender financing most of the purchase price while you pay interest over time. The down payment is the portion of the purchase price you pay upfront in cash — the part the lender does *not* finance. If a home costs $300,000 and you put $30,000 down (10%), the lender provides a $270,000 mortgage. Your down payment percentage has two major consequences: it determines your loan size (and thus your monthly payment and total interest paid), and it determines whether you owe PMI (private mortgage insurance).
PMI exists because lenders face higher default risk when borrowers have less skin in the game. Below 20% equity, lenders require this insurance — but crucially, you pay the premium while the lender collects the benefit. At 0.5–1% of the loan amount annually, PMI on a $250,000 loan costs roughly $100–$200 per month. It is pure cost with no equity benefit to you. This is why 20% down is the traditional target: it eliminates PMI entirely. But it is not a requirement. FHA loans allow 3.5% down, conventional loans as low as 3%, and VA loans for eligible veterans require 0%. For many buyers — especially in high-cost markets — waiting to save 20% costs more in rent than the PMI would have cost.
The closing costs are a separate, often-forgotten expense that catch first-time buyers off guard. These are the fees required to finalize the loan and transfer property ownership: the lender's origination fee, appraisal (to confirm the home's value), title search and title insurance (to confirm ownership is clean), attorney or escrow fees depending on your state, and prepaid items like homeowners insurance and property tax deposits. These typically run 2–5% of the purchase price — on a $300,000 home, that is $6,000–$15,000 in cash due at the closing table, *in addition* to your down payment.
The practical implication: your savings target for buying a home is not just the down payment. It is the down payment plus closing costs, held as liquid cash. On a $350,000 home with 5% down ($17,500) and 3% closing costs ($10,500), you need roughly $28,000 in hand before you can close — not including any cash reserves lenders may require. Use this framing when you set financial goals: build a total-cash-needed number for your target home, then work backward to a monthly savings requirement. Getting a Loan Estimate from a lender early in your search gives you a realistic cost breakdown before you fall in love with a specific house.
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