Be professional. When you submit a résumé, don’t type it in ALL CAPS and please don’t avoid the caps lock like the plague. Know how to use it without looking incompetent. Write in complete sentences with proper grammar. Of course, there will be exceptions, but even with the exceptions, you must keep it professional. You’re building their view of you.
Once you are all set up, Live Ops has an excellent online training program that teaches you how to handle calls from customers. You will be taking calls for many different companies. When you start working, your phone will ring and a script will pop up on your screen. You simply read the script word for word and input customer information as you go along. If customers have questions, there is a section on your screen with FAQ’s and you are also logged into a virtual chat room should you need to ask for support from a supervisor.
You could try advertising more, for example, by putting up signs around the neighborhood, posting about it on social media, or having people you know spread the word. You could also try doing it in a different neighborhood that might have friendlier people, or do it in a time and place where there's likely to be a lot of people walking around the area (e.g., near a church before the end of a mass). https://buzzingofferselfhelp.tumblr.com/