"Break-even" means two different things here: the appreciation you need before a sale wouldn't lose money, and the payoff math on the loan itself. On the first, the key insight is that your down payment doesn't change the answer. The down payment changes how much equity you hold; the appreciation you need to break even is set by your cost to sell. Nationally that tends to land around 5 to 6% of the sale price once you add agent commissions (negotiable, especially after the settlement changes) and other closing costs, so you need roughly that much appreciation just to offset them. Principal paydown works in your favor too: in the first year of a typical mortgage a bit over 1% of the loan gets paid down, and that share grows every year. In an appreciating market, very roughly a year to a year and a half of ownership can get you back to break-even; a flat market takes longer. On the loan itself, there's no way to break even on interest unless you pay all cash, but a good amortization tool lets you drag scenarios (extra principal payments, a shorter term, a refinance) and watch the effect on total interest and payoff date. Tools like Homebot do similar modeling to show whether refinancing or extra principal pencils out. If you want your actual break-even built from your real numbers, that's the free Roadmap conversation (about 20 minutes).