By Emilia Randall According tohospitality veterans, these are the little tells that will send signals to your server, helping them determine what kind of customer you are, from your very first interaction. Serving customers across the US for many years, some waiters and waitresses have dished the dirt on some signs they have come to learn they will be dealing with difficult customers. The way you introduce yourself will often set the tone for the rest of your meal, according to Chuck Anderson, who was a waiter for around 20 years. Chuck said that calling a server by their name and saying your …