There is a saying that it is always better to consult and work with an attorney to draft patents. It is said that when you self-draft a patent you would draft inferior patents, miss out on things where you could have defended the patent better later, or fail to secure a broader patent.
Any of these things or more can happen. A novice inventor who drafts his patent cannot know the nuances of drafting a patent and hence can make some very simple mistakes.
But in case someone was to draft it by himself what are the 5-10 things the inventor should keep in mind while drafting?