In General Aviation in the 80's and 90's it became too expensive to buy private aircraft due to the 'Finished Products Liability Insurance' cost. Make sure that adequate liability insurance is also procured from a reputed agency. Michigan is a mix of no-fault and standard liability insurance.

Underinsured motorist coverage will pay you money from your own automobile insurance policy if you have been hurt in a car accident by someone who was negligent for causing your injury and who had less liability insurance coverage than you did. Do they have professional liability insurance including errors and omissions? Some states and jurisdictions now require that you disclose to clients whether or not professional liability insurance is in place. More information