They'll be extra wrong with the new partisan divide of mail-in voting vs. in-person voting. However, CNN says they have both. The question is, are they able to control the bias who answers via mail-in voting?
The best thing to do is to look at Virginia because polls close relatively early and it’s a fast count state. It should give us some incite into the actual electorate across the country. However, some of these governors races are going to be unique.