Service Contracts are used when you purchase a service, not goods (items). Short form service contracts are used for yearly services < $10,000. Long form service contracts are used for yearly services > $10,000.
Please note that contracting is a regulated activity in the state of Idaho and per Idaho Code 54-5204 some contractors are required to register and be licensed by the Idaho Bureau of Occupational Licenses. For more information on registration please visit the Idaho Bureau of Occupational License webpage