Examples:  Microwave blew up (they paid for a new one), toilet clogged, bathroom shower clogged, AC not working (freon), garbage disposal (they installed a new one).But the BIG one was pool motor blowing up.  

Of course having a pivoting wall would mean that existing space could be far better utilized but that's for another discussion.Here's a video showing a very sophisticated, motorized system (that probably cost a fortune).