I recently purchased a foreclosed property on auction 'as-is' which has a concrete foundation home on it that was flooded. The home has been vacant for about two years. It appears the bank had someone strip the inside down to the studs and concrete foundation. I expected the septic systems to...

I have a 3" toilet drain from the 2nd floor, draining straight down in a 2x6 wall below and into the basement, connecting to a horizontal 3" main line. I was told this could siphon the water out of the toilet because it drops more than 36". Is this true? If so, what can be done to solve the...