How many cars can a husband and wife in Maryland sell 10 cars in a year with out a dealers license?

In Maryland, an individual can sell up to 5 vehicles in a calendar year without a dealer's license. Therefore, a husband and wife could collectively sell up to 10 vehicles in a year without requiring a dealer's license, as long as each spouse sells no more than 5 cars individually. It's important to ensure that they comply with all relevant regulations and documentation for the sales.