Honestly, I'm also still waiting.

I don't think there is a set answer. It depends on the language/s you teach, how many people want to learn those languages, how many teachers there are of those same langauges, and your and your potential students' time zone compatibility. Presentation videos and descriptions can also have an impact on how long it takes to get tutees!

You should go to the teacher forum...there are plenty of tips and tricks there.

I suggest you start with friends/family... immediate contacts :)