[Pandora]

Note also that for this type of business, the solution should ensure that the inventory/logisitics module handles serialized items (tires), multi-bin locations and spits out warranty information. In keeping with Kyobanim's suggestion for bar-coding, they may want to ensure the product is also EDI capable.

Additionally, check out the CRM aspects of the application. If your friends wish to increase business further, get a solution that will also trigger mailed reminders to customers for service reminders, appointments, even recalls.

cheat sheet attached for your friends. Might be a bit over blown for their needs, but it will help them define their needs before they invest a dime.