They already report transactions of more than $10k to the IRS. That should have never happened.
It is less than $10K.
Around $5K now. Trump changed that.
Buddy got into some hot water once over it. He sold a lot of old cars his late father in law had. Ended up getting served papers and a full audit because “you are structuring your income to be below the IRS threshold!”.
Cost him a lot of money to defend himself. Said he should have just torched the cars and walked away.