What are the four basic methods in retailing?

The four basic methods in retailing are:

1. Brick-and-Mortar Stores: Physical locations where customers can browse and purchase products in person.
2. E-commerce: Online retail platforms that allow customers to shop via websites or apps, often with home delivery.
3. Catalog Retailing: Selling products through printed or digital catalogs, allowing customers to place orders via mail or phone.
4. Direct Selling: Involves selling products directly to consumers, often through personal interactions, home parties, or demonstrations.