do i really need to use the airline travel-ready center?

I’m getting ready for my first big trip out of the country—heading from the US to Turkey for about two weeks. I’ve been poking around the United Airlines app, and now it’s flashing this “attention needed” alert in the Travel-Ready Center. It wants me to upload my passport and visa info before I even get to the airport. Here’s where I’m stuck: is this just a way for the airline to speed things up at check-in, or will I actually run into trouble if I skip this step? I’m not exactly a tech whiz, and honestly, I’d rather not mess with uploading all my documents if it’s not absolutely necessary. And about the visa—since I’m just going for a short vacation, I figured I didn’t need to apply for one. But now I’m second-guessing myself. Has anyone else run into this? I’d hate to show up at the airport and get turned away because I missed something in the app. It’s already stressful enough trying to keep track of all the travel rules these days, especially when every airline seems to have their own system. Why can’t they just make it simple for us? #travelquestions #airlinetips #passportproblems #Travel