There is no simplest way to cash out from your crypto asset to fiat and transfer to your bank account. It always needs to pass KYC verification because that involves money. Before doing that action, please do research. Because there are some banks that freezing money once they know that it comes from crypto.

Aside from Coinbase or Localbitcoin wallet, you can also use this exchange for a wire transfer directly to your bank account. ( https://cex.io/wires-campaign/) Just read it because that's maybe it will help you.