The conversation between human and AI assistant.
What are the most profitable door-to-door sales businesses?
I am interested in knowing what are the most profitable door-to-door sales businesses. Can you help me with that?
Sure, I'd love to help you with that. There are many profitable door-to-door sales businesses, including home security systems, pest control, and vacuum cleaners. These businesses have a high demand, and people are willing to pay good money for them.