Is American domestic first worth it?

Hello and thank you for your time. I’m scheduled for an hour and a half flight on one of Americans A320s from their hub in Charolette to Harrisburg, PA. I mainly fly Delta and haven’t flown American since shortly after they merged with U.S. Airways. I’ve never flown their first class domestic product before and the app is quoting me at only $76 for me to upgrade (which I feel is pretty low). Even though it’s only an hour and a half flight, I was still wondering if it was worth paying the money to upgrade on a flight like that or if I should keep my current economy seat booking.