The Most Thing in 3M's - Mind and Money???

Whenever we read in the cyber world that someone said this: "I nimble."

They are practicing sound Mind and Money principle. They won't feel sorry when the stock price drops farther and farther as their Money will help to keep them in the game longer than expected.

With 100 shares lot size, many retail can nimble?

Yes. We can. 

But, it can be costly affair to nimble that many rounds. 

Why in investing our account size really matters?

So that we can nimble. Sound Mind and Money!