The ground floor was intentional because we have large dogs and allow guests to bring dogs due to back yard walk-out and not disturbing neighbors below.

As long as asbestos is not disturbed, you can go over it and avoid the costs and hurdles removing it (siding, flooring, tiles, etc.) will bring

Things like "no disturbing the peace"... mandatory quiet hours between 9pm & 7am for instance, what can and can't be stored outside, and where it must be kept (bikes, toys, etc), how trash is to be disposed of,  no loud music that can be heard in another unit, etc.  

My concern comes from the fact that asbestos is a carcinogen and I've heard terrible things about people inhaling it when its in a disturbed state.

It can be hard to predict which the court will choose, so some people file both, just in case.Documentation: Keep a record of any issues—missing property, disturbances, or suspected illegal activity.

Technically, you violated that (and so did the owner) by telling you to just walk the property without a scheduled appointment - unless the owner had arranged for such disturbances with the tenants.

"I'm sorry to disturb you, you may not be the right person for this

I was thinking lease-option until the mortgage was paid as not to disturb or trigger any action on the title.

There were issues with noise from kids, late-night disturbances, and guests getting annoyed—too many factors you can’t control.I eventually shifted to single-family homes in Cape Cod, and that model has been much more effective and manageable.

The direct quote was, "if you are going to disturb more than 10 square feet then you need a certification from the state that ensures you are equipped at handling lead contaminated materials, including wood, paint, framing, subfloors, cabinet removal, etc.".