There's only one way to find out... I think it would be perfectly possibly, but it would require years of hard work preparing everything e.g. drawing up a business plan, aquiring the cash etc. I don't think it's impossible, but then again it wouldn't be without risk. I guess the big problem is it would be unfair to take large risks like that if you had others dependant on you such as children, but unless you happen to inherit a lot of money etc you're not going to be able to start something like that before you'e quite late on in life.
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