The book “I will teach you to be rich” has a great overview of how to best leverage credit cards, high yield savings accounts, setting up automatic investments, saving, and lots of other ‘good to know’ topics about money.

For investing specifically I use the Boglehead method.

• Gaming on linux
• David Revoy Comics - artist who uses only FOSS/libre software for all his artwork
• DNDBlogs - List of TTRPG blogs curated by Sly Flourish
• NASA Image of the day
• Hackaday - Articles about cool electronics and tech that people have built

I like Language Transfer. It’s free and you can download the episodes for offline listening.