When we did our kitchen remodel recently my wife suggested we should move our AquaMaxx rimless planted tank which homes a Halfmoon Betta. The cabinet under the tank had these soft attachments on the legs so one could move it over the hardwood. I said sure and grabbed the bucket to remove most of the water.
"What are you doing?" she asked, "It's tiny, let's just move it."
I explained I had to remove some of the water and took out about 75%.
Well, we slid the cabinet about 20 feet when it suddenly collapsed. I literally caught the tank as it fell and and not a drop spilled. It was a small tank, and freshwater, but if we had moved it full, it could have been pretty crappy. Funny thing is I was worried about moving a rimless tank like that, not the cheap, old stand.
By the way, I am the engineer in the family.