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RentVsBuyMath
Should you buy a home or rent and invest the difference?
The NYT's rent-vs-buy calculator is the gold standard, but it's paywalled - and most free alternatives are lender lead-gen that compares a mortgage payment to rent and quietly hands buying the win. I rebuilt an honest version: both paths simulated monthly, opportunity cost modeled symmetrically (whichever side is cheaper that month invests the difference - including the buyer's surplus after payoff), 2026 US tax rules (standard-vs-itemized delta, $750k interest cap, SALT cap, Section 121), PMI with automatic termination, full transaction costs.
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About RentVsBuyMath on Product Hunt
“Should you buy a home or rent and invest the difference?”
RentVsBuyMath was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #158 on the daily leaderboard. Should you buy a home or rent and invest the difference? A free calculator with symmetric opportunity cost, real tax rules, PMI and selling costs.
RentVsBuyMath was featured in Investing (26.8k followers) and GitHub (41.4k followers) on Product Hunt. Together, these topics include over 37.6k products, making this a competitive space to launch in.
Who hunted RentVsBuyMath?
RentVsBuyMath was hunted by Jonathan Nyst. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Jonathan Nyst