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.
rules approach is an avenue through which to drive change across large business scopes. Business rules are a formal expression of knowledge or preference, a guidance system for steering behavior (a transaction) in a desired direction.he result is a business rules system, an automated system in which the rules are separated, logically and perhaps physically, from other aspects of the. system and shared across data stores, user interfaces, and perhaps applications.