Software Hardware Website Design Business Opps. The most common method is to sell advertising space within your publication on a CPM basis.
Advertising inventory is a perishable good.
If you send out your newsletter with unsold space, then it is a lost opportunity, never to be regained. Advertising Networks can Help Advertising networks are companies that pool inventory and offer huge volumes of inventory to their advertising clients. They will represent your inventory and send you clients on a non-inclusive basis. You can still continue to sell your ad space in house. You generate revenue you would not have otherwise.