> It's rather like teaching kids why signing onto an adjustable-rate mortgage is a bad idea. For most time periods and for the average mortgage holder ARMs are

> It's rather like teaching kids why signing onto an adjustable-rate mortgage is a bad idea. For most time periods and for the average mortgage holder ARMs are going to be cheaper. Fixed rates mortgages are superior when interest rates are rising and you intend to be in a home long term. So this isn't universally good advice to give people.