There are loads of great resources out there about strategy which I will continue to link below. The added voiceover I would give on the topic is that a lot about strategy is dependent on stage of the company. For very early stage startups pre-PMF (product market fit) then strategy is often just a hypothesis or set of hypotheses, coupled with an ability to get shit done quickly to either prove or disprove those hypotheses. It is often chaos by design. Once the company begins to mature, that’s when strategy starts to take on more structure.

The common anti-patterns I see:

Company strategy resources

https://www.thedecisionstack.com/your-strategy-probably-sucks/

https://hbr.org/2017/11/many-strategies-fail-because-theyre-not-actually-strategies

https://www.goodreads.com/en/book/show/11721966

https://www.youtube.com/watch?v=iuYlGRnC7J8&ab_channel=HarvardBusinessReview

https://www.mckinsey.com/capabilities/strategy-and-corporate-finance/our-insights/the-perils-of-bad-strategy

Product strategy resources

https://www.hustlebadger.com/what-do-product-teams-do/how-to-write-a-great-product-strategy/