I do a lot of reno and repair work where I have to match into existing/ painted drywall and I often run into bubbling in my finish coat over the old paint. If it is a very small amount of finishing over the old paint I'll finish with sheetrock, which nearly eliminates the problem, but I despise...

I'm not much of a spray guy , so I'm going to ask an opinion on what I'm doing tomorrow. Where I live, orange peel textures are always proceeded by a prime coat. On occasion, if the job is small enough, one can skip the primer as long as all the edges are sponged down to eliminate...