How to write a story that doesn't suck

So you have been blessed with an idea of a story that you know just HAS to be shared to the world. It's such a good idea, there's a chance you could make it into a best seller! But the problem is, you don't know how to write it.
That what this "how to" aims to achieve! As a writer myself, I am here to bless you with the knowledge of the writing world. From writing good plots, making good character designs, how to write conflict, and so much more! Your questions can be answered with me!