These are permanent guidelines that specify exactly what We expect.
You might consider including:
* Rules about language, grammatical correctness, and style (although a style guide is great for this too).
* Word counts. 300 minimum and maximum word count?
* Posts submissions include minimum 1 images?
* Nakedly promotional content is not permissible.
* The content Should be unique and original, or are you prepared to repost content that has previously been published elsewhere?
If a submitted guest post doesn’t conform to the rules, reject it or bounce it back to the submitter for editing.