Do it for less and they call it something else and report it anyway. I ran a retail business that did more than 10k cash sales a lot, ran into issues and the owner found it easier to simply take the cash home than try and deposit it. He would pay vendors with cash too sometimes. Banks are part if ‘their’ control system, use them at your own peril.
There are times when being paid in cash is good. It's hard to prove that you received any income if there's no paper available.
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