also keep extra hardware as spare parts if something breaks 
YES!!! DO THIS!!! DO THIS A LOT!!!I
FINALLY resurrected my A4000T by getting a HD Floppy drive for it and it turns out that it would have still been an uphill battle if I didn't have an old floppy drive to stick into my PC so I could transfer needed files from on to the other.
I won't even go into the cables I would have had to spend $$$ on if I hadn't stored them away many moons ago...