A support assembly provides for a method of mobilization that does not require removal of shelving and restocking of items on gondolas and warehouse pallet racking, even if the gondola or pallet racking is too wide for prior art mobilization methods. The support assembly comprises a pair of tubular members capable of engaging fork-like extensions of a hand truck or the like. The hand truck may have caster wheels for mobilization and may have a lifting mechanism for raising and lowering the support assembly by the fork-like extensions, when tongues extending from the tubular members are aligned and matingly engaged at a middle support and outer supports of the gondola. By using a plurality of such lift assemblies engaged along the length of the gondola or gondola run, a row of gondolas may be lifted and mobilized without removing shelving and restocking items on the shelves, even if the gondola is wide and the items stocked on the shelves of the gondola add substantial weight to the gondola. A push pull rod may be engaged at a engaging loop attached on a lower portion of each of the lift assemblies or a plurality of push pull rods may be engaged at a plurality of the engaging loops, transferring user force on the push pull rods to the lift assemblies as low on the lift assemblies as possible.