When I did this a few years back I collected all the fish and put them in a five gallon bucket three quarters full of water in my opinion I would drain out 2 more 5 gallon buckets of the aquarium water remove plants put them in the bag just make sure they don't get crushed maybe put them in the box and I would remove all the rocks and driftwood I would leave substrate with minimal amount of water and move tank with substrate only still inside just make sure tank has flat secure surface in the vehicle then reassemble add previous aquarium water and whatever remaining water is needed fill as if you're doing a water change I would try to use as much of the previous aquarium water that I could maybe get a lids for the 5 gallon buckets for the ones without the fish and drive slow and careful this is just my opinion from the time I did I had no problem
