1) The gap you need to leave behind a tank to allow for a HOB filter can cause a tank to take up more room then you ever suspected. 2) The same gap complained about in #1 can make for a sneaky storage spot 3) After much debate I still believe that replacing the HOB for a canister/ sump or something that can tuck under the tank is the way to go. 4) Extension Cords can be a wonderful way to put tanks where they need to go even if the electrition didn't think of it and put an outlet there. 5) You'll quickly learn what your tolerance for the sound of running water is. 6) Organization is key, start with labeling which cord goes with what thing. More likely to follow soon..