It'll start to bubble and peel, and becomes really hard to fix or do over because you have to scrub off the whole coat to get it to look smooth.Also, get a respirator mask, IIRC they're about $40.  

Great flashlights and extra batteries that fit, super long extender ladder, korkers/or other brands over shoe to go over your steel toe boots, GFCI tester, moisture meter, a dog nose, an extender mirror, shovel to check foundation moisture, respirator as some properties have gross smells or chemical exposure, regular retractable tape measure forget the laser one, 5 gallon bucket, zip lock baggies, brown paper bags, putty knife, variety of screw drivers,Are you checking basements?

Workmen would need a respirator while working with the asbestos, and the asbestos would need to be bagged and disposed of with a special landfill.   

Wear a good respirator so you aren't inhaling mold spores.Just my two cents as I'm not a mold removal specialist. 

The paint smells super bad so whoever is spraying it will need a full respirator and proper ventilation.

However, most need to use really hazardous chemicals while wearing a respirator and using a machine to ventilate the fumes out of the building.

I had a two week window to do it, so I didn't have time to get it tested for asbestos... so I just proceeded as if it had asbestos, got a P-100 respirator, face shield, tyvek suit...etc.The popcorn had a layer of paint over it so I had to spray it with a vinegar/water mixture.

Make bunny suits, respirators, gloves, goggles part of the process and make sure there is running water for cleaning on site.

Buy a paint respirator with organic vapor cartridges.

Just buy a respirator about $40 available on Amazon right now.