I bought one of the Milwaukee made in the USA floor jacks, mentioned above, a few years ago and I gotta say I've never regretted that decision. And that's more than I can say for the previous 2 crapass floor jacks from Sears and Costco that were a complete waste of money.
Cry once for the stuff you're really going to use; it more often than not pays dividends/is less costly in the long run.
1999 100-Series: Adventure rig
2009 Kimberley Kamper Sports RV: Sold
2006 Adventure Trailer Horizon: Sold
ROTM: spressoWAGON ROTM
Blue Ribbon Coalition Life Member