For personal finance https://forum.whitecoatinvestor.com/ https://forum.whitecoatinvestor.com/ is probably the best for higher net worth / income individuals (t

For personal finance https://forum.whitecoatinvestor.com/ https://forum.whitecoatinvestor.com/ is probably the best for higher net worth / income individuals (they have a large forum). https://www.bogleheads.org/ https://www.bogleheads.org/ is also excellent. For finance itself r/finance has some good posts on occasion, and there is an insurance professional forum which can be useful for those products, but not one all encompassing board.