I have to admit that I haven't read this entire thread, but did anyone bring up the old rusted bathtub that was turned into a coffee table? These people clearly never owned a fish tank. The only way to feed the fish or clean the tank would be to remove the entire top. I guess they figured no one keeps anything on a coffee table. No wonder they never sold it.
On a separate note, I too had many questions about how the show works and found this article that answered most of them. I was disappointed, but not surprised by some of the items in this article.
The Truth About Flea Market Flip