Many people choose to sign something on behalf of someone else. Typically wives and husbands will sign on behalf of their partner.
Yes, someone else can check into a hotel on your behalf as long as they have the necessary identification and authorization from you.
A behalf is an advantage or favour, to do something on someone else's behalf is to do it in order to someway assist them.
Yes, someone else can pay your taxes to the IRS on your behalf as long as they have your permission to do so.
Yes, you can send recommendation letters on behalf of someone else as long as you have their permission to do so.
Yes, someone else can purchase a house on your behalf through a legal process called a power of attorney, where you give someone the authority to act on your behalf in real estate transactions.
Yes, someone else can deposit a cashier's check on your behalf as long as they have your permission and the necessary identification to do so.
Yes, it is illegal to place bets on behalf of someone else without proper authorization or a license to do so.
Yes, someone else can pick up your luggage at the airport on your behalf by providing proper identification and authorization from you.
Yes, it is possible to check into a hotel on behalf of someone else, but you typically need to provide their identification and a signed authorization form.
The name of an agent that recieves funds on behalf of someone else to handle financial decisions and act on another persons behalf is commonly known as Power Of Attorney.
Book promotion is a very different kind of skill to writing one. I would advise getting someone else to do it for you. Make sure they are paid by results, so that they have every incentive to be successful on your behalf!