Wait for xrapidx to find this thread, he's good at buying lemons, whether its cars or houses.
He'll have a few tips for you.
Gee thanks

already returned one LCD and one LED downlight this weekend
I went through similiar, but not as bad an experience... the tenants of the place ripped everything they could out... curtain railings, blinds, facets, shower caddies,etc. - the works. Fortunately, when we put an OTP in, and it was accepted, I came back and took photo's of EVERYTHING in the house, so I just sent it to the estate agent and got paid out. The tenants claimed everything was in the garage, they just removed it to paint.
We also didn't get a electrical compliance certificate, and I specifically stated I wanted one because of all the electronics I play with, needless to say, the attorney's claimed the seller didn't have money at the time of purchase, but they withheld money from the purchase...strangely enough the first I heard about it was when I queried it, and they actually sent me a letter stating they had it three months prior.
My only suggestion is try get it out of them - contact the transfer attorney's as well. Its not a pleasant experience, and I'm still fixing faults in this house 2½ years later.
Also had a situation with a "working" well point that has so far cost me R7000 to repair (I recently replaced everything, pump, controller, valves, etc)