For someone that has limited access to the internet, Warm Market Advertising is the way to go. There is a great list of Warm Market ideas at https://www.sfimg.com/Support/Solution?id=199321&referrer=search
Make some flyers and just visit places that have a crowd gathered. Make a list of people that you know, places that will let you put up signs or posters, and have some business cards printed that you can hand out, and place on bulletin boards.