Doorstep example sentences

Under this system goods are delivered at the doorstep of the customers.They are small producers or petty traders who carry the products on a bicycle or handcart or on their heads and move from place to place, to sell their goods at the doorstep of the customers.They are small producers or petty traders who carry the products on a bicycle, a hand cart, a cycle-rickshaw or on their heads, and move from place to place to sell their merchandise at the doorstep of the customers.