If you want, you can add a nice brass sliding surface lock for the bathroom, like this:https://www.houseofantiquehardware.com/bolt-locks-...To complete the look, do the same with the hinges (probably don't need to polish, just soak 'em in paint remover).

I couldn't agree more, PLUS I just read a course yesterday (not bought) that only skimmed the surface of short sales...they are very detailed and not something you can give brief information on.

Why would you insist on sanding a surface that is well hidden by the vanity in this case?

If there are inconsistencies in surface you can spot prime with oil, apply joint compound to create level surface, then re-prime whole surface with oil primer, than topcoat.

Looks good on the surface, but haven't read though the other 15 or so pages yetSB 493 add a few more procedures to being a private lender.

Another option would be to run new lines to each room and install surface mount electrical outlets.

If you are disturbing more than six square feet of surface, you need to follow the RRP rules AND be RRP certified.

muriatic acid should never be used full strenght on toilets tubs floors or any finished surface it will etch you concrete on driveways or garage floors. we use it to prep for floor paint. 30 yrs back i used it on a tub let it soak in while i did other things around the home came back a few hrs later to find the porcelin etched from the tub .metal pipes yes it will eat them up pex piping we only use pex for supply lines so if your pumber told you he replaced all the lines at home thats another story

More likely some kind of smoke or something they did in the rooms contributed to the sticky surface.

They do, at first glance, appear to be a good answer because it appears they "shine" on smooth surfaces (i.e. newer 2 piece tub and shower surrounds)