4.

“Friend of mine used to run a ridiculously exclusive cocktail bar. He always said, ‘The ones in the fancy clothes who look filthy rich are typically reasonably wealthy. The ones in jeans and T-shirts who look normal are usually filthy rich.'”

“Basically, the truly rich people didn’t see the place as anything out of the ordinary, so they saw no reason to dress up.”

—u/DendroNate

Source: https://www.buzzfeed.com/lizmrichardson/signs-someone-is-rich