Aside from being a worry free way to traverse the countryside, private transportation is also a better value per person, especially when traveling in groups of 6 or more. (costaricaguides.com)
Have you ever had to deal with money issues when travelling in a group? (thetravelmagazine.net)
Therefore, this type of travel has it's own set of risks — risks that are compounded by the higher number of people traveling in the group. (travelinsurancereview.net)