A stair climbing dolly like an Escalera is a nice, but expensive piece of equipment. Buy a used one if possible.
Pinball Life makes a nice wrench for removing leg bolts.
Buy several moving blankets from your nearest U-Haul dealer, as well as a roll of stretch plastic wrap. Also some ratchet straps.
Buy a case of beer to pay your pinhead friends to help. Pinheads will do almost anything for beer.