Hello everyone, don't mind can give me some advise either opinion,

I'm intend to purchase a brand new Electronic KEYBOARD piano, does anyone know roughly how much and should purchase what type of brand is recommended better and last long for long term training usage?

I intend to learn piano course, but then i wanna start with electronic keyboard can i??? I also intend to go for exam course.

Please give me further information and further advise, thank you.