~45 phlegm is where the farmer's house is possible to demolish. But it's still a feat to do it. Try 55 for better results, and make sure to have an axe equipped.
It's been neat to see the evolution of a game. Salem has come so far, and still has far to go. Although frustrating, I think it's been an experience worth the effort.
Once you get the cupboard outside of a house, you won't be able to bring it back inside any other one [works just like when you tried to move the cupboard outside by lifting it].