Buy-sell
This model is based on the sale of a usa phone list product (goods or services). Here, in addition to simple resale, there may be added value obtained as a result of additional work, for example, assembling a finished product from parts received from several suppliers.

This approach can be applied to both goods and services. After the purchase and sale transaction is completed, the consumer in this case becomes the owner of the product. The company's income structure will include revenues from one-time sales of products or services to end customers. This model is the oldest business concept, to which all others are ultimately reduced.
Advertising platform
Internet platforms, social networks, media, free video hosting sites (for example, YouTube) and TV channels, as well as other resources that provide free (gratis) content, receive income from their customers (advertisers) for displaying advertisements.
Advertising platform
Source: shutterstock.com
The volume of revenues under this business model is determined by the number of visitors to the site in question. The income structure includes payments from advertisers for displaying marketing materials and conversion activity (applications, telephone calls, clicks on online ads, etc.).