I bought a less expensive Harbor freight 12 T bottle jack and then needed the use of some planking stubs to raise my bottle jack up enough to get the RV up off the ground. Additionally I have two Harbor Freight jack stands. All this being said.... I have now added the more expensive rolling pneumatic 22T jack. It is like any rolling mechanic jack except you need to use a compressor to make the jack lift the vehicle. Easier on my body as I do most the maintenance on my rig.
1994 Fleetwood 33H
1995 Fleetwood 30H (parts vehicle)