As a small business owner, your relationship with your customers is of the utmost importance.  You see them often and appreciate their business.  Show your patrons how much they mean to you by sending them a customized thank you card.  Design a thank you card with your logo or a drawing of your establishment.  Print a message inside, or leave room for a hand-written note.  Include a business card or special offer coupon too.  Sending thank you cards to your best customers is a good practice that is sure to …