I received an inquiry to proofread a novella of about 30k words, “proof, just grammar” to be done within four to five days. I quoted her a project price and she accepted.
The story was very delightful; I received it as a Word document.
My process for this was as follows:
At this stage I save the doc as TC 1 and accept the changes, save as TC 1A, so the document is easy to read for the next stage.
And then the work began! I read, thought and checked if it all made sense. And I enjoyed!
Usually I then send the doc back to the author for comments and do a next check if required. Because this was such a tight time frame, I did three runs in one go and sent it to the author, who happily accepted all my suggestions.
In this case I didn’t just check grammar, but I suggested a few things which jumped out at me, inconsistencies or extensive usage of a particular word in two sentences in a row, or similar. This is not part of a proofread, but I firmly believe that if I see something jumping out at me, I should mention it. It is then up to the author to agree with me or not. We managed to finalize the novella within the time frame, and it is now published!