I've been in an apartment that was so quiet, we used to joke that we were the only residents in the multi story apartment block. And that people we crossed paths with in the elevators never actually lived there. They just rode the elevator up, then straight back down and left.
"For decades, until COVID hit, we used to boast about being the miracle economy. No recession in 30 years! Technically, it was true. Our GDP climbed each and every year. But it was off the back of one of the biggest immigration programs in the developed world. Adding more people adds to the size of your economy."
Oh they can more than make up for the costs of dealing with cash by not declaring it as income. What sale? Waves hand. There was no sale!