The point is, I don't think it is necessary.
I'm the seller and the buyer suggested this.
In the past, I handled out of state sales this way:
1) Open a separate account at my bank.
2) Instruct the buyer to send the funds by wire to this account
3) Once the funds are received, transfer the funds to my regular account and close the account to which the funds were transferred.
4) Notarize the title, take a picture of it and send the notarized title to the buyer.
5) Cooperate with the buyers shipping company. Take pictures of the vehicle as its being loaded.
BTW, my bank specifically stated not to use cashier's checks because the fraudulent ones are extremely difficult to detect and the amount of time it takes to get them to officially clear, depending on a variety of circumstances.