Here are the most effective ways to earn money and turn that 10K into 100K before you know it.Buy an Established Business. ... Real Estate Investing. ... Product and Website Buying and Selling. ... Invest in Index Funds. ... Invest in Mutual Funds or EFTs. ... Invest in Dividend Stocks. ... Peer-to-peer Lending (P2P) ... Invest in Cryptocurrencies.