For sources of info: There's a bunch of subreddits decidated to "personal finance", "Financial Independence / Retire Early" (FIRE). For French speakers living

For sources of info: There's a bunch of subreddits decidated to "personal finance", "Financial Independence / Retire Early" (FIRE). For French speakers living in France you have /r/vosfinances Try to find a community based in your country first of all. They will also recommend the financial institutions that are good & cheap etc.