Originally Posted by mbfanos

You can just rent the car at the airport, then drive to a HLE and add your brother. HLEs usually couldn't care less when you add additional driver ^

Originally Posted by AutoSlash

Just make sure that the HLE you stop at is shown on Hertz.com's location search function as a "Corporate" location. If it shows as "Independent Licensee," then they won't be able to access your rental contract as each licensee uses its own, independent computer system.