Zoning laws do not prevent businesses from entering into residential areas; these "mom and pop" shops have learned to survive by keeping close personal ties with the people that live in the surrounding community. Their "word of mouth" can many times open and close doors since they are in touch with a wide variety of people on a day-to-day basis.
So he [Paul] was reasoning in the synagogue with the Jews and the God-fearing Gentiles, and in the market place every day with those who happened to be present. Acts 17:17
Pray that many shop owners and business people will come to know Jesus Christ as their personal Savior and then use their strategic influence to reach others.