Word of mouth. Chatting with people in my socials, their recommendations/reads, and... blogrolls appear to be making a minor comeback. We're all drowning in the LLM shit, so the only thing we can rely on is each other.
Lots of good writers on X.
medium
[flagged]
Give up on the first two topics. Those are spam, even when they aren't spam. Even respected writers in personal finance such as
https://en.wikipedia.org/wiki/Suze_Orman
come under serious criticism: for instance she was involved with a scammy debit card but more generally gets accused of prioritizing the interests of the financial industry over the interests of its customers.
For project management consider joining
https://www.pmi.org/
and getting involved in your local chapter.