Real estate is for grown-ups, but for those considering new homes, building green is less cost-prohibitive than you think, and banks are even offering "green mortgages." Time to start figuring out what an adjustable rate loan is.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.