Imagine for a moment that your story is a video game and the players get to be your characters. What are some helpful hints and tips that should appear on the loading screen? Here are mine:
Never turn down jewelry. It sometimes grants special abilities.
If you run out of condoms, just ask Roland for more.
Singing is a great way to earn XP.
Think carefully before you make promises to Laura.
Throwing money at a problem is a good first resort, but it only works half the time.
If things are moving too fast for you, say "yellow" to slow down the game and "red" to pause it.
If you can only think of one or two, feel free to post those now and come back if you think of more later!
Here's my story in case those piqued your interest:
https://www.webnovel.com/book/14805206106751105/Kaiba%27s-Prostitute