Its indeed very hard to let people believe in the bitcoin
Open yourself a shop, and show, how it work, positively.
For a local business, you will find 1 from 100.000 costumers that will pay in bitcoin.
Online things can be more easy but local is almost impossible.
First tr to promote the concept of bitcoin in your local area to everyone and make sure that now they will adopt bitcoin easily without any hurdle so when you will then start a local business and people will start using your service then other local businesses will also use bitcoin for themselves.