Amazon offers Prime members the Tripp Lite 12-Outlet Surge Protector, model no. TLP1208TELTV, for $21.99 with free shipping. (Non-members can spend $49 to bag free shipping; otherwise, shipping costs $8.15.) That's the lowest total price we could find by $11. It features telephone and coax outlets, 2,880-joule surge suppression rating, and an 8-foot cable.