Finding the cheapest commercial auto insurance for contractors involves securing affordable coverage for vehicles used in business operations, such as trucks and vans. Commercial auto insurance for contractors covers damage to company vehicles, liability for accidents, and injuries involving those vehicles. While cost is important, contractors should ensure that the policy provides adequate protection for their specific needs, including coverage for tools, equipment, and cargo. It's vital to compare policies, considering factors like driving records, vehicle types, and business size, to find the best balance of affordability and comprehensive coverage.