Surprise!

I'm not a pro drywaller, but at least I know the answer is never "more mud". It's like paint, mud doesn't really cover sins. Add another week to this job.

Pat calls it the "hidden bummer factor". The wall under the wallpaper is in rough shape, with a funky patch or two that need to be redone correctly. Along with plug-in airfresheners, wallpaper will now send off huge alarms in my mind when house hunting.