Product Fundamentals
First thing first - understand what product management is and what the role of a product manager is. Get the fundamentals right.
Articles
Top Hacks from a PM Behind Two of Tech's Hottest Products
Jackson has devised very specific hacks that product managers can use to manage people and expectations effectively. Starting with the birthplace (and chopping block) of new product features, he highlights meetings with founders and cross-functional stakeholders as a critical part of the job.

Bad Managers Talk, Good Managers Write
To three highly effective, seasoned, and successful executives, being a good talker isn’t just overvalued, it can actually be detrimental. Rather, there’s a subtle, often-overlooked ability that’s one of the most vital skills you can have as a manager — the ability to write.

Great PMs don’t spend their time on solutions
I encourage you to try changing how you spend your time. Do it on something small, obsess about the problem definition. Then see how fast and easy it is to know what to build, to build it, and to see customers value it because you truly understood what they needed.