Green Sometimes Raises Red Flags

UExpress, Jan. 28, 2022–Lew Sichelman
Paying cash sometimes raises a red flag: a concern that someone might be laundering ill-gotten gains by purchasing property and then selling it a short time later — turning money that was obtained illegally into funds that are difficult, if not impossible, to trace.
https://www.uexpress.com/home/housing-scene/2022/01/28