I tried the B&B path years ago when on a week-long solo trip and found it very interesting. Some of the other guests at breakfast and I shared some really valuable insights that I needed to hear at the time about an issue that I was working on. It ended up having some significant impact a few years later.
Some B&B's were stark and some were over the top lush in amenities. Most in Canada are pricey as IL mentions. Niagara-on-the-Lake has some beautiful buildings as B&B's. One day I will try one again there when I attend the Shaw Festival.