For Jane, the fact that her money would grow by itself was a revelation. It was as if a door previously closed to her had been opened—just a crack—and for the first time she could imagine a way inside. If her money could grow just by sitting still, then she needed more of it. Not the dollars and dimes that she made at the retirement home, but big money, like she made at the Carters’. If she was careful, this big money would grow, little by little, all by itself. Into a fortress.