The wildcard in this election, which makes it different from a lot of other ones and favors Republicans, is the very strong economy. Additionally, there are no raging conflicts to make people nervous.
Normal people tend to like stability. The question is will they turn out to vote in large numbers?
That question has been answered by Larry. The answer is 'Yes'.
In Georgia, the Absentee Ballots are 2x the number that they were in the last midterms, 2014.