Start a blog on personal finance and write about making money, saving, budgeting, and achieving financial freedom. Post about everything money. Educate in a simplified manner all the money stuff you think you have mastered. Topics can be many across things like investing, passive income streams, debt management etc.
Your blog can be a brand in itself, offering tips for saving money, investment options, maximizing credit card rewards, or building an emergency fund. Eventually, you would turn the blog profitable by tie-ups with financial institutions.
Blog Name Idea: GummyMoney.com