Renting vs. buying in 2026 isn't a question. It's a trap. Depending on where you live, the answer could save you $20,000 a year—or cost you a decade of regret. I did the math for five American cities. Before you sign that 30-year mortgage or renew your lease for another year, read this. The answer might surprise you. And it might save you a lot more than $10,000.