And some of those things she buries far too freakin' well, like those horcruxes, only one of which (the diary) was, at all, noticeable.

But, no, I gotta say she fails to deliver as much as she lays up and sinks the basket. She never does anything with prodigiously-good-at-chess Ron. Neville, though badass, never takes down Bellatrix Lestrange....and so on.