Q7: Tell me about mail-order.

A:  For pilot supplies such as intercoms, headsets, tires, etc.:
        Aircraft Supply, Pittsburgh, PA [1-800-245-0690]
        Chief Aircraft, Grants Pass, OR [1-800-447-3408]
        Marv Golden, San Diego, CA [1-800-348-0014,1-800-433-0055 in CA]
        San-Val, Los Angeles, CA [1-800-423-3281, 1-800-624-9658 in CA]
        Sporty's, Batavia, OH [1-800-LIF-TOFF, FAX 1-513-732-6560]
        The Airport Shoppe, San Jose, CA [1-800-634-4744]
        Wickes Aircraft Supply, Highland, IL [1-800-221-9425]
    For aviation books:
        Airplane Things, Dallas, TX [1-214-956-3510, FAX 1-214-956-3518]
        Aviation Book Company, Santa Clarita CA [1-800-423-2708,
            FAX 1-805-294-0035, direct 1-805-294-0101, 7:30am-4:30pm Pacific]
        Sporty's, Batavia, OH [1-800-LIF-TOFF, FAX 1-513-732-6560]
        Zenith Books, Osceola, WI 54020 [1-800-826-6600, FAX 1-715-294-4448,
            ask for aviation catalog]
    All of these are reputable companies, with many satisfied net.customers.