One of the most important job skills every employee, including those on the autism spectrum, must learn is how to greet a customer properly. If employees learn this valuable skill, they will be way ahead of the pack. Their employer will notice and customers will become life-long evangelists.
Many employees (and business owners!) fail miserably at this simple task, turning customers off forever and losing them to the competition, or to the online marketplace, often without even realizing it.