What is the Key to Writing Successfully?

One of the most important things to have as a writer, more important than knowledge, experience or a great writer’s platform; is momentum.
Momentum is the key to writing successfully, and it is what you get when you’re on a roll, when you’ve got your story in mind or already started, and you have the drive to continue working on it until it’s finished, regardless of whatever else you are doing.
So how do you get it? 
Here are the ten practices I use to maintain constant writing momentum.
1. ...