Buying a house? Then you’ll no doubt hear tons of advice from people who’ve been through the home-buying process before and want to pass their sage wisdom onto you. Problem is, sometimes the advice that “everybody knows” is right isn’t.

Fact is, housing markets change over time—and the rules vary widely based on where you’re looking to live, along with lots of other specifics. Just so you can keep your eye peeled for the home-buying advice you might hear that could lead you astray, here are common tips to take with a grain of salt.

‘You can save money by buying a fixer-upper’

Sure, shows such as “Fixer Upper” make it look easy, but rest assured, purchasing a run-down home and turning it into something special “is not for the faint of heart,” says Dan Bawden, former Remodelers Chairman of the National Association of Home Builders.