How To Write A Letter To Potential Advertisers. Follow these four simple steps to successfully write a letter to sell a product: Lead in with your connection:
If you have a contact at the company, send it to him or her, or ask your contact for advice on whom. Try to find a specific person to send the letter to, rather than sending it to the office or to a general company email address. Avoid using endings like “sincerely” or “best regards.”.
