It's hard to find a business as fundamentally excellent as Arm, but that's not all that investors need to consider here.It's not easy to find millionaire-maker stocks. That's because a lot must go right for a stock to generate that much growth. The business must perform for years, navigate competition, innovate, and find a way to grow its profits year after year.Instead of looking for the rare home runs, investors should consider batting for doubles and triples. Focusing on getting consistent hits isn't as ...