To learn more about the CNBC CFO Council, visit cnbccouncils.com/cfo Small businesses and consumers, especially in rural parts of the country, could face higher shipping costs and less reliable delivery service as the result of a recent deal between Amazon and the U.S. Postal Service which would have Amazon sending fewer of its packages through the USPS. The changes in a recently proposed agreement , which still requires approval from the Postal Regulatory Commission, would see Amazon cut