Preferring Whataburger over In-n-out is the most Texas thing there is. It’s more true of a stereotype than most Texas stereotypes like Cowboy Boots, cowboy hats, guns, or high school football.
They will collect orders throughout the week and on the weekend drive to Texas and pick up the burgers. I think they have a deal with a local whataburger because they pick the burgers disassembled.
The heat and reassemble them here in Monterrey. No fries, though.
They sell for 3x, I believe.