I’m 20 turning 21 and I feel old I want to do more for my life but don’t know where to start?

I have so many ideas that never develop into anything more than that. I want to start my own business but don’t even know how to begin. I’m sick of university but know I have to get though it. I live in Canada and in the winery I get sad because I wish I was somewhere hot. I want to do exchange but just started my undergraduate program so I’d need to wait a year or so. I want to make money so I can offered to go on exchange. Everything take so much time and dedication and sometimes I just don’t have that. I want to live life to the fullest and I’ve been feeling stagnant for so long. Any advice or steps to take to lead me on the right path I want to be on. I’m also in international business and don’t really know where that would take me in my life. Is it a bad program?
I’m 20 turning 21 and I feel old I want to do more for my life but don’t know where to start?
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