Anyone who hasn't made money from HD brows?

Hi, i have recently qualified in HD brows and [emoji175] them, however i am struggling to get people interested in the salon. Im on the salon finder now, post on fbk/twitter/insta have posters up in salon, talk about it constantly etc.

I keep reading about therapists that have 'made there money back in the first month' and i am NOWHERE near that.. Any advice greatly appreciated as i really want to make HD's work in my salon [emoji4]