Pah! I don't want to do the same thing... I want to one up him...
Waterproof the entire house and turn it into an aquarium. The garage can be the "cannister filter".
Wait! You say- what about food... It'll be swimming all around me I say!
Wait! You say- what about bedding... Already thought of it- floating air mattress.
What about a computer to visit AC on... that's what work is for... well kinda.
See I've thought of everything...
Too late, already done...check Monster Fish Keepers and search for 50,000 Gallon Tank.