This is pretty much true for every single person in every single financial situation. Whether you're a millionaire, or paycheck to paycheck, or homeless. You need to understand where your money is coming from and where it's going.

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This list will continue to be updated.

In no particular order:

• Bogleheads Wiki: investing advice

• ChooseFI: Financial independence focused podcast. While their end goal is financial independence (which usually means early retirement), they also have a lot of tips and hacks and advice that applies to anyone at any stage.

This is a flowchart that is a broadly-applicable answer to the question "what should I do with my money?" at almost every stage of your personal finance journey. It is a general rule of thumb that should almost always be your guiding star.