It depends on how you are using the words. If you say, "He sold the books door to door" you mean he sold them ffrom door to door. He is then a door-to-door salesman. The hyphens are put in because...
Hi, I just had to answer this question. I own a company that goes door to door for several different clients... some more profitable than others. The short answer is yes, depending on the rep and the...