Hi Pasha, I've been talking to my vlogger friend and he recommends you spend a month doing rehearsal vlogs with your phone. The planning, filming, narrating, editing.
That way you will have a better idea of what aspects of filming are most important to you and it will help you decide which camera to go for.
You may be able to buy additional lenses for your phone as well as a better mic - that might give you more options and be cost effective.