Probably a bad switch or a code violation. As above its either a $3 repair or needs professional attention that you should have known about before purchase.
Document document document
Originally Posted by izzy
We're going to get an electrician in here and just suck it up. It's really frustrating though because the previous owners surely knew about it. I'd try to fix it my self but I have a habit of getting zapped.
See wulf's reply. ANYTHING you have done needs documentation Also the lic electricians repair order should be sent to your realtor.