direct selling; sales direct to customers
Refers to selling goods or services by visiting customers at their homes, offices, or other locations, rather than at a fixed retail store.
This company sells insurance through direct selling.
A direct sales representative came to my home.
訪問販売 specifically refers to door-to-door sales, while 出張販売 is broader and can include visiting offices or other locations.
通信販売 is mail-order or online shopping, whereas 出張販売 involves a salesperson physically going to the customer.
Compound of 出張 (business trip, going out to a location) and 販売 (selling).