3. Analyze the competition in Google to make sure the keyword is easy to rank for. I can't possibly write in this one email everything that goes into doing this.
However, I will say these 2 things: First, Long Tail Pro was created specifically for the reason of making your life easier when trying to figure out if a keyword is easy or hard to rank for in Google.
Long Tail Pro gives you a score of 1 to 100 with how difficult the keyword is. If that is all you have time to learn for today, then I recommend you check out Long Tail Pro here to help you analyze the competition.