The more of these you do, the more successful your writing session will be. I've marked the most important ones with a ★ star.
This list of tips is built from experience and Josh Seiden's article, How to Write.
These are also great for people who aren't native english speakers.
Growth Engineer at Credit Karma & consultant. Past clients include Aconex, Triplebyte, Neo, Brown Computer Science Department, Voxer, Cloudera, and the Veteran's Benefits Administration.