It may seem not likely, upon observing Bettina Grossman pushing her buying cart loaded with artwork outside the house the Chelsea Lodge, that she was an completed artist with a as soon as-promising vocation. Ms. Grossman was uncommon even by the standards of the Chelsea, the storied Manhattan haven for quirky artists. Her studio apartment, Space 503, at the conclude of a lengthy fifth-ground hallway, had develop into so crowded with her accrued artwork — largely summary, remarkably conceptual drawings, sculptures and photographs — that she had been displaced from her possess residing area. She slept in her hallway on a lawn chair. “She was eccentric with a funds E,”…