More San Diegans are coming forward with outrageously high water bills that in some cases are more than $1,000. But they say the city is brushing off their concerns. Now, they have a new strategy to get different answers to their expensive questions. “It’s too hard, sometimes, to fight it,” said Joyce Abrams, a La Jolla resident whose last three water bills doubled to nearly $500 each. “You can’t not pay because then they turn your water off.”