The vibrating pad sander is VERY slow to remove wood. I used it mostly
to remove excess filler and even for that it was excruciatingly
slooooooow. I understand your reluctance to uncover all those nails,
however.

If you're that bad of a floor sander and afraid to use the drum, disc
it. Rent a 175rpm floor buffer, buy a red pad, and get some 80 or even
60 grit discs and dry disc it. MUCH less aggressive than the drum
sander, but way better that that silly machine at home depot.

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please remove @com.com and change att and dott to @ and .

Thanks, Sam (trying to minimize spam)