Tips to avoid leaks or flood in FOWLR tank

[xl2000]

Thanks for the replies guys, much appreciated.

By the way you guys have very nice setups.

We had a flood two years ago in the middle of July during a thunderstorm and our sump pump in the basement decided to stop working that day. My wife and I were both at work and 4 inches of water across the basement cost nearly 35K to the insurance to repair and change a lot of the furnitures. That's why I want to try to avoid any more floods as much as possible.
I am sure there are lot of people that have had aquariums for years and never had floods.
I guess I just want prevent rather than fix things that could have been avoided right from the start.

Thanks