Place it at the end of a short build-up, just as the expensive item appears, then follow it with Ba Dum Tss to turn the brag into a joke, or with Correct Ding when the flex is meant to land as a win.
About this sound
This is a very short Donald Trump voice clip, lasting just over a second, in which he says “I am rich” in a flat, confident voice. The line lands as funny and boastful, turning a simple claim about wealth into an instant flex that feels smug rather than serious.