Things like coffee, trash bags, dish detergent, paper towels.

Tenants will not use the HE detergent that they require and will not leave the door open so the seal molds and gets nasty.

Just as an FYI, most of those 'drop in' detergants need 140 degrees to disolve completely, and may cause issues if they don't.

I was advised to use a "biocide" but later I found that seems to be a generic term for a lot of things.EPA says not to use bleach, to use detergent instead.

I once helped a buddy do something like this, he left the water shut offs inside the house and built a "closet" outside that was big enough for the W/D and even put a small shelf for detergents etc and a hanger pole for convenience.

My mom has used borax laundry detergent for years.

That standard things we buy from WalMart between vacancies are: deodorant soap, facial soap, laundry detergent, dish soap, dish scrubbing pad, toilet paper, paper towels and occasionally bath towels, bed sheets, dishwasher tabs and pillows.Every now and then I'll buy some adult dvds and print some advertising on mailing labels. 

The biggest concern for this dwelling going forward would be tenants and foreign objects being flushed or using the correct type of laundry detergent. 

Paraffin wax comes from petroleum, as do fertilizer, pesticides, herbicides, detergents, phonograph records, photographic film, furniture, packaging materials, surfboards, paints, and artificial fibers used in clothing, upholstery, and carpet backing.If people aren't buying those goods due to not having money...it's still going to keep oil down.Major issues arise with one economy countries (like those in OPEC) who live and die from oil.

They estimated $98,000 for the job and wrote this, basically saying that it's impossible to fix without also replacing the drywall and insulation, and that chemicals and paint would not be enough:"The odors and residue from the smoking are very apparent and appear to have permeated all areas of the Residence to such a level that these odors and residue, that is oil based, cannot beremoved by means of scrubbing with a detergent solution, application of a deodorizing solution, and application of a stain blocking type paint.