We’ve all been there: the moment when your refrigerator starts making a noise that sounds suspiciously like the soundtrack of an impending disaster. The hum that was once a calming background noise now feels like an ominous countdown. Or maybe the washing machine starts shaking like it’s auditioning for a role in a Mad Max movie. Whatever the issue, you’re faced with the same dilemma: Do you push your appliance to the limit and hope it hangs on a little longer?