If you are in a business that sells products, the time will inevitably come when you will want to update the look of your packaging. Overtime you will learn things about your existing package that need to be changed, you will desire to modernize the feel, you will want to evolve the logo or communication, etc. Updates to packaging are perfectly natural and healthy as long as the changes do not erode your consumer base. Frequent changes are unhealthy since it destroys your brand equity.
If you own or manage a business that produces products or services that sell through a retail channel, there are two pricing scenarios that you need to develop so that you can determine what your selling price will be to either the retailer and the distributor that will sell to the retailer and within these two scenarios, two additional scenarios for a pick up price (at the manufacturing or warehouse location) or delivered price. Potentially, you can have multiple delivered prices (full truck load, limited truck load, etc.) as illustrated below: