The first thing you need to do is make sure that the company that you choose does not charge by destination, distance, or time in general. In addition, you will also want to ask about how often they check on their vehicles and how many miles they drive in a day. Next, make sure that the company has a minimum driver age of 18 with at least 2 years of driving experience. 

Also, make sure that each driver has been checked for criminal records and driving history. Make sure you get personal background information on...