"Polluted water vapor erupts out of the flushing toilet bowl and it can take several hours for these particles to finally settle -- not to mention where," he says.

PRO TIP: Check particle size on filter before using chemicals.

It is a bit tough to follow for the layman, but it can give you an idea.https://www.nejm.org/doi/10.10...Some info I have read show the highest concentration of viruses aerosolized found are 8-12 per cubic meter.

However, if the wall sheathing of the home consists of pressed particle board (not referring to OSB) or exterior grade gypsum board, the nails for the new vinyl siding break the asbestos and blow out the sheathing.

I would ask yourself a couple questions..1) Do you want to physically be in the space, with your family and small child, as the noise, havoc, airborne particles, etc are in the property during rehab.2) Do you want to live there at all?

Any disruption that causes the asbestos to go airborne should be avoided as breathing in those particles is where the danger lies. 

MDF, particle board or plywood?  

Don't those cause more damage to the A/C units over time by allowing bigger particles into it?

The smell was coming from that cabinet back particle board.

Here's what I gleaned as a summary of hardening tips for reducing turnover/maintenance costs:panasonic bath fans with timers in bathrooms4 coats of poly on wood floorsdouble door stopstile floors, showers vs surroundssingle lever shower valve vs. doublereplace toilets with steel parts/mechanicals whenever it starts to runKwikset smart keys (some debate over efficacy)door stoppers on all hingesremove pop-up drains and replace with commercial drains2' drain lines from sinks with an accessible clean outbuy a key cutter - maker for $50 on craigslistGranite tile counters - need a diamond polisher and tile sawUsed Fixed vs. friction shower rodsKeyed deadbolt and passage knob on outside doors to prevent accidental lockout5/8' fire core drywall - can't put a fist thru it and its fire-resistant1/4" board to back up towel rodspolyurethane cabinets under sink to pre seal and drain water to the floor2x4 base under cabinets to prevent particle board cabinets from failing where they meet the floorVinyl scrap under sink and up the back wallBest of luck!