My elderly neighbor's family isn't taking care of her. The work is falling on me.

Pay Dirt is Slate’s money advice column. Have a question? Send it to Kristin and Ilyce here. (It’s anonymous!) Dear Pay Dirt, About six months ago, my neighbor, “Pat,” introduced me to another one of our neighbors, “Doris.” Doris is in her 90s and ha... [4172 chars]