People are risk averse; predictable expenses are easier to plan around than unpredictable ones. What if you're unlucky and it breaks twice in a year? Or the fir

People are risk averse; predictable expenses are easier to plan around than unpredictable ones. What if you're unlucky and it breaks twice in a year? Or the first repair is bungled and you have to go to a different shop, and argue the first one into giving you your money back?