> $600k in total interest and principle for a $300k sticker-price house over 30 years Present value of $600k paid over 30 years is less than $600k. Depending o

> $600k in total interest and principle for a $300k sticker-price house over 30 years Present value of $600k paid over 30 years is less than $600k. Depending on the discount rate it might be even less than $300k now.