Don't try to build a mining farm if you really want to earn bitcoin then much better if you are going to trade that or invest that into bitcoin hold them waiting for the price increase once it increase sell wait for the price again to be decrease then buy simple but make sense.
Learn and decide which one's best for you! Government securities. Pros: Examples of government securities are Retail Treasury Bonds, Pag-ibig Housing Bonds, and Treasury Bills (T-Bills). Corporate Bonds. Mutual Funds, Unit Investment Trust Funds, and Exchange Traded Funds. Stocks. Real Estate.