Before reaching these thresholds, one should invest in other stuff to keep cash low
If you have big money, hire professionals to take care of this. Having money and losing sleep over this doesn't worth it
In theory, they can. But if you aren't dealing with millions of dollars (aka big money), who has the time to go after you? Investigating you costs money. Is the money taken from your account worth enough to pay for that?
If the Berlin Wall couldn't stop eastern Germans from moving west, how can people control do better? For determined people, it may just create a little hassle. It can't stop the flow