Sure, I was thinking in terms of the presidential; but its pretty similar for midterms, you'd still mostly want to target Democratic and not swing precincts, bu

Sure, I was thinking in terms of the presidential; but its pretty similar for midterms, you'd still mostly want to target Democratic and not swing precincts, but those in swing congressional districts rather than swing states; precincts are typically on the several hundred to a few thousand people; congressional districts are several hundred thousand to just over a million people.