Ask HN: How do Bitcoin millionaires cash out?

Some exchanges have weekly maximums you're allowed to withdraw or deposit USD from/to. However, you can increase these withdrawal limits and pay yourself out in increments (after you've sold your BTC on the exchange)

Send the BTC to an exchange.

Perform the trade into fiat.

Call the bank, warn them a large sum is incoming.

Withdraw.

Pay taxes.

A few million dollars is not a big deal in the bitcoin world these days. GDAX BTC-USD volume is $466 million in the last 24 hours. Bitstamp is another $353M.