You’re undoubtedly wondering what the answer to this question is. I was, too.
As a due diligence partner for over 800 investors, we think about risks all the time. Since our default is to say no, we probably think about risks more than most people do. 
In The Road Less Stupid, author Keith Cunningham says (I’m paraphrasing): 


Rookie investors: “How much can I make?”


Seasoned investors: “How much can I lose?”


Professional investors: “Can I afford to lose that much?

We believe the best investors think about risk more than return. 
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