(1) Any person who sells, offers for or exposes for sale, or who trades, deals or traffics in any personal property at retail in the city by going from dwelling to dwelling or from place to place or by indiscriminately approaching individuals;

(2) Sales by sample or for future delivery, and executory contracts of sale by solicitors or peddlers, are embraced within the preceding subdivision; provided, however, that this section shall not be deemed applicable to any salesman or canvasser who solicits trade from wholesale or retail dealers in the city;

(3) Any person who, while selling or offering for sale any goods, wares, merchandise or anything of value, stands in a doorway, any unenclosed vacant lot, parcel of land, or in any other place not used by such person as a permanent place of business, shall be deemed a solicitor or peddler within the meaning of this chapter.