Elections are ALWAYS about money. Getting to know your candidate properly before Tuesday’s election includes gaining knowledge about who supports them monetarily. It just MIGHT be that your candidate is beholden to some special interest that you should know about. As an example here is a list of who got the top donations from the U.S. India Pac.
Looking at a reverse example, here is a list of who is giving money to candidate Bobby Jindal in Louisiana’s Congressional race.

You can use this website in order to follow the money in your own district.