In addition to removing lower portions of walls, I recommend Kilz stain/odor blocking on all surfaces, even the ceiling. 

If it's a cheaper paneling with a fiber board base and a laminate wood surface, it won't take much moisture for it to warp- that kind of paneling isn't even supposed to be used below grade because of it's high reactivity to moisture.

This is just the surface.

., 2 adjoining lots) on eBay (as I am a long-time "power seller" and "top-rated" seller there!)...

It means nothing other than you have a dispute to the bureaus on your hand however, I might leave well enough alone because it would appear on the surface that their mistake artificially improved your credit profile.

There have been several Illegal grow houses busted by a PD that I know a cop on and he said the place was FULL of mold on almost every surface due to the humidity it ran. 

It would be going on the back of our commercial property, which adjoins residential sfh.

Louis, adjoining blocks can be entirely different worlds. 

From the surface this seems like a pretty great deal, almost too good to be true.

That is rule one for the lazy land lord buy small houses it means less work overall,So on to painting If you talk to any experienced old school painter they will tell you that you need to cut in. which is making a border around the ceilings and base boards.this is a very very important step for the lazy land lord because doing this step properly will allow you to use the roller much easier and quickly so you can get home to your couch and the game. but more important it will prevent you from getting paint on the ceilings which will need to be brushed in later brushing in paint on the ceiling is time consuming and tedious so avoiding paint on the ceiling is the lazy landlords first priorityMany old school painters will tell you to get a good cut in brush. but if you are not familiar with painting the cut in brush can take quite a bit of time, to get efficiently good results my solution buy a paint kit that comes with a cut in tool it should look like a rectangular plastic thing a ma jig that has little wheels on one sidethis device allows you to quickly do the border in record time.The secret I found to using this tool is to gently place it on top of your paint so it floats on the surface for about 2 seconds you dont want the wheels getting paint on themjust the applicator I didnt use the pole attachment I think the hand allows more control and gets you up close to the work.