Median annual earnings of sales representatives, wholesale and manufacturing, technical and scientific products, were $55,740, including commission, in 2002. The middle 50 percent earned between $39,480 and $79,380 a year. The lowest 10 percent earned less than $28,770, and the highest 10 percent earned more than $108,010 a year. Median annual earnings in the industries employing the largest numbers of sales representatives, technical and scientific products, in 2002 were as follows:
 

Median annual earnings of sales representatives, wholesale and manufacturing, except technical and scientific products, were $42,730, including commission, in 2002. The middle 50 percent earned between $30,660 and $60,970 a year. The lowest 10 percent earned less than $22,610, and the highest 10 percent earned more than $88,990 a year. Median annual earnings in the industries employing the largest numbers of sales representatives, except technical and scientific products, in 2002 were as follows:
 

In addition to their earnings, sales representatives usually are reimbursed for expenses such as transportation costs, meals, hotels, and entertaining customers. They often receive benefits such as health and life insurance, pension plan, vacation and sick leave, personal use of a company car, and frequent flyer mileage. Some companies offer incentives such as free vacation trips or gifts for outstanding sales workers.

Unlike those working directly for a manufacturer or wholesaler, manufacturers' agents are paid strictly on commission and usually are not reimbursed for expenses. Depending on the type of product or products they are selling, their experience in the field, and the number of clients, their earnings can be significantly higher or lower than those working in direct sales.