Nice note!
I know many will not pay attention to that statement but if you are paying real money for running prompts then that is one of the most valuable statements you need to understand.
See:
Prompts
40-90%: Amount saved by appending “Be Concise” to your prompt
It’s important to remember that you pay by the token for responses. This means that asking an LLM to be concise can save you a lot of money [1]. This can be broadened beyond simply appending “be concise” to your prompt: if you are using GPT-4 to come up with 10 alternatives, maybe ask it for 5 and keep the other half of the money.