One of the things you NEED is an ir temperature gun. This takes all the guess work out. Check for wheel bearings while in transit, tire overheating coolant temperature double checking blocked radiators ac systems and covid 19.
Advanced auto parts, NAPA or home depot. What is the top to bottom temperature differential of your radiator? This will tell you. And as others have said learn DIY. We all are here to help. Most of us have to turn so many hours of community service anyway.
So ask, send pictures and don't be discouraged.