A Rent-Free Place, if You Can Find a Spot to Park
Jimmy Hines lives rent-free in his recreational vehicle, which he parks on Queens, New York City street; he gave up apartment he was renting for $900 month after he lost his job as vending machine repairman, and he bought camper with his savings; it is his sixth month living curbside in camper, and he says he will never have landlord again; says camper living is 'incredibly inexpensive'; photos (M)