I found a scribbled, hastily assembled, crumpled piece of paper simply titled "Tips" in my desk today.
As far as I recall, it was the product of grading a set of essays a couple years ago on the novel
Wild Geese by Martha Ostenso.
A common practice of mine after reading/marking a set of essays is to assemble a list of "pet peeves," or writing errors, or tips that emerge from the set.
Here is the list: