1) Gross Profit Margin – This is the first place I start. Clearly you can't offer 50% commissions on items that you only have a 20% profit margin or you'd be out of business fast (and probably in debt). So start by determining your minimum, median, and average gross profit margins on items in your store. You may also want to determine these numbers separately for each category or product type since it's possible to offer different commission rates for each product category, depending on how complex you'd like to make your program. In my experience, the simpler the better when it comes to commission structure, but technically anything's possible.
(i) You will include a date/time stamp adjacent to your display of pricing or availability information on your application if you obtain Product Advertising Content from Data Feeds, or if you call PA API or refresh the Product Advertising Content displayed on your application less frequently than hourly. However, during the same day on which you requested and refreshed the pricing and availability information displayed on your application, you may omit the date portion of the stamp. Examples of acceptable messaging include: