Having to worry about safety (electric shocks, leaks, fires, short circuiting) when something breaks, hauling big heavy appliances in and out of the house, selecting new ones,... those are costs you have to factor in when choosing to go with the shit that doesn't last. I'd prefer having the stuff that lasts longer for a little bit more money if I had a choice.

And then account for interest, inflation, improved efficiency and possibly future reductions in cost -- a $500 one that lasts 10 years might be a better investment than a $4500 one that lasts 1000.