Neither have I seen a commercially available alternative (other than perhaps proprietary systems) which provides such an ability.Assuming you were wiring all of the units in the building for monitoring & remote access management and the implementation included both electronic locks and proximity detectors on all units and common spaces (laundry room, storage, etc), the cost to add id tags to individual items (vacuum, bicycle, etc) could be as little as $5 - $10 per item depending on the quantity.

I have recently discovered BiggerPockets as I have been considering moving into real estate investment and am impressed by the quantity and quality of the information and contacts here. 

This is a section of our rental agreement addressing various disclosures:Disclosures: Tenant acknowledges that Landlord has made the following disclosures regarding the premises:a.Disclosure of Information on Lead-Based Paint and/or Lead-Based Paint Hazards (handout)b.Disclosure of Mold (handout)c.Disclosure of Smoke Detector (handout)d.Radon gas is a naturally occurring radioactive gas that, when it has accumulated in a building in sufficient quantities, may present health risks to persons who are exposed to it over time.

With the voluminous quantity of files out there, these administrative inefficiencies must add up for the banks.

The quantity of investors in the project is irrelevant unless it is one person doing the whole thing.  

I don't know about foreclosures, but I do know "wall street investor types" are buying up large quantities of houses in Nashville area and renting them out. 

I would have liked to get the flooring from Floor n Decor but the Gaithersburg MD store was sorely lacking what I wanted to get and was discounting products so quickly that I couldn't get anything in the quantity I needed.After much more research and speaking with LL tech support about their recommended underlayment, I was reminded about the 6mil (also in the installation instructions) that needs to go down over the concrete.

I've heard of people with big 5BR houses that can make a lot of money running high quantity lower cost, but that's a grind.

Unless there are no single people in your area, reducing the quantity of people will reduce wear and tear and stress.

It’s unfortunate really because it was one of few places where tenants and landlords lived harmoniously as neighbors and now the tenants are forced to fight for regulations just so they can keep affording to live in their hometown.