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15 year mortgage vs 30 year paid off in 15
All of the answers given so far are correct, but rather narrow. When you buy a 30-year-mortgage, you are buying the right to pay off the debt in as long as 30 years.  What you pay depends on the interest rate and how long you actually take to pay it off (and principal and points and so on). Just as you are buying that right, the mortgager is selling you that right, and they usually charge something for it, typically a higher rate.  After all, they, and not you, will be exposed to interest risk for 30 years. However, if some bank has an aneurism and is willing to give you a 30-year loan for the same price as or lower than any other bank is willing to go for a 15-year loan, hey, free flexibility.  Might as well take it.  If you want to pay the loan off in 15 year, or 10 or 20, you can go ahead and do so.