I would buy one or two big totes from walmart fairly cheap, and fill those with ur tank water and fish, as long as u have a truck 2 huge totes will let you bring most of ur water and ur BB media.. Just leave a little room for the water to bounce around a bit..
what i have done is went to a fishing store .get a bate bucket it has a air pump on it i moved my 250 gal tank with it but. i set up smaller tank a our new house fish will be ok for a few days in small tank if you have the time