It is proper Netiquette to ask for clarification before you take action. Don’t do something if your not sure.
Credibility of reason. First, proper netiquette to reference your business reasons. Then, do be reasonable.
It is proper Netiquette to double space paragraphs. Do make text readable.
It is proper Netiquette to refrain from writing in text. Don’t write in text.
Receipt by image. First, proper Netiquette to record transactions. Next, get and provide receipts.