With Paypal the fees are on YOU the seller. Without Paypal the fees are on the buyer. But consider this. If 95+% of the people on ebay have Paypal that means only -5% DON'T! There is more interest and competition on an item when you have 95+% working with you. Hence the other -5% is not in your monitary favor.
Top-down and bottom-up design - Management and organization. 1  In the fields of management and organization, the terms top-down and bottom-up are used to describe how decisions are made and/or how change is implemented. A top-down approach is where an executive decision maker or other top person makes the decisions of how something should be done.
The bottom-up approach results in a more detailed schedule, but itâs also a time-consuming approach compared with the top-down task planning approach. The schedule you create is based on direct input from experts who will be implementing the project; itâs also a useful technique to build teamwork.