And, as you said, if they poured it in with the drain nearly sealed, and the chemical sits on your porcelain very long it will permanently discolor it.2) We always do a physical move-in inspection, with written report that the tenant signs as well.

Giant porcelain tiles (32x32) which left me with a very small number of grout lines (used epoxy for those) I was really worried I would not be able to get these hugh tiles to set level but it came out much better than I thought.

ceramic or porcelain tile is best in the bathroom due to the wet conditions it faces. 

What good does it do you to come to work 5 minutes early if you spend that 5 minutes on the porcelain throne or reading Facebook?

@Matthew Paul the kid flushed a dinosaur and three cars wich damaged the porcelain and also clogged the toilet. 

I only cheated on the lower 1/2 bath with a code compliant AAV.We did all the work ourselves so labor was just the fun of doing it.Cost of materials: Main Bath about $2k, 1/2 baths about $225 each from my spreadsheet.We got most of the materials on sale at Lowes: Good quality fiberglass Bath tub $125 (small chip hidden by tile) the toilets $35/each (both non-stock returns), double vanity $175  (side against wall damaged).All the shower stall & floor porcelain tile 75cents/sq ft from auction, Pex, PVC & fittings $185, all elect $100, 1/2 bath vanities $35 each (slight side damage hidden) Lighting $75, all mirrors $100, shower diverter/faucets $275, exhaust fans $30 each on sale. 

We identified the little things that would make a big difference: hardware would need to be changed out, bathrooms would need to be recaulked, cracked porcelain replaced, old ceiling fans, outlets, and switches all swapped out with new.

I would go with a porcelain tile flooring. 

I was assuming he meant a porcelain sink since this was the kitchen sink.

Porter - LVT is what we mostly use or porcelain.