Halloween Bingo: Amateur sleuth

We're drowning in minutiae here.
And the solving of the mystery is not particularly exciting.
The couple parts that could have thrown a nice twist into the works were glossed over, on seemed to be added just because.
Maybe because she's an accountant, even though she works for a PI, and they're supposed highly detail oriented, right?
Geez, 2 cliches in a row.
Because they were mean?
Seriously?
I managed to get through it, but I'm reminded of one of the reasons I don't read a lot of mysteries.