Some great advice has already been provided on what to bring, but a few other travel tips:
Make a packing list of all the things you need to bring. Add it on your phone in your Notes app so that you can refine it over time or make versions based on the length/type of trip (e.g. warm weather trip with multiple rounds vs quick turnaround single round trip)
It'll be helpful to make sure you don't forget anything as well as make sure you don't accidentally leave it at your destination
Scout your destination for any golf shops in the area. Sometimes when at resorts they can really gouge you on prices for things like balls or gloves in case you forget anything.
Good to have backup options in case you leave something behind or something breaks on your trip
Look into putting an AirTag in your bag. It can really help tracking down lost luggage.
United Airlines also added a feature in their app that shows where your bag is scanned at each handoff between initial check, baggage handlers, etc that I found helpful to know if your bags are at luggage pickup or still on the plane
I recently ordered the Cleveland 2011 Classic Black 1.5 Putter from 2nd Swing. It has a smooth feel to it and compares nicely to other expensive putters I'ved tested that are North of $300+.
For $50, it feels like a steal.