My sister and I each inherited over $1 million from our mom. Now my sister wants more.

Pay Dirt is Slate’s money advice column. Have a question? Send it to Kristin and Ilyce here. (It’s anonymous!) Dear Pay Dirt, I need a sanity check on what I owe to my sister. We are both in our late 30s. She and I grew up comfortably middle class, b... [8857 chars]