Urban Survival Kit by Nutnfancy
I’m a big fan of the The Nutnfancy Project channel on YouTube. There are literally hundreds of reviews of gear that are interesting and useful though I preface any endorsement of book or video instructions or reviews with the caveat that you should never take anything anyone says as indisputable fact. But TNP is a nice way to see gear you may want to purchase in action, and they have some decent survival training tips.
TNP has a three part video opus on urban survival that I think makes some good points and is something you should check out. I’m posting the first here but the rest are already posted on their page. There’s some jargon (like SAWC which means “Space/Size And Weight Constraints”) but don’t let that overwhelm you, there’s some good grist for the mill here: