My condo was built in 1961 and has painted popcorn ceiling in the main living area and one of the bedrooms. I want to get rid of this look and am going to start with the bedroom. I am debating between either just skimming over the popcorn OR testing for asbestos and, if there's no asbestos...

Anybody have any advice or experience on the following: One room of our house had old wallpaper with lathe and plaster underneath. We wanted the wallpaper gone, but plaster was a bit crumbly, so we had a team come and put a bonding agent over the paper, then skim coat of mud over that. Now the...