Disambiguation is a word I love. Sadly neglected except by pointee headed people. Here’s an attempt to compensate for some of the injustice.
I offer the $7 225 gpm Home Depot drill pump for those considering paying $75-$100 to lift water out of a ground level container into the RV.
Dollar Tree. Broth. 32 oz for a buck. No better deal in Christiandom. $1 US, 2013 dollars.

Remove the guard and throw it away. Then take off that non-macho small abrasive wheel that came with it. Put on a big one so’s your hand is up close and personal when the torque hits.
Home surgery kit, body part remover. The phrase, “Make my day!” just before you hit the ON button is appropriate and recommended.
Old Jules