Bob Teitelbaum is a sports fanatic who gets his daily fix of football, baseball and basketball games from DirecTV, the satellite television provider. In all, he spends about $150 a month for his premium programming package. But his household, like every other in his West Palm Beach, Fla., golf community, is also required to pay about $31 a month for cable TV from Adelphia Communications. The real estate development company that runs Mr. Teitelbaum's community has a deal with Adelphia that obligates every homeowner to subscribe to a standard cable package whether they use it or not. "That's the rule,...