First of all, it is good for you to read many topics here in the forum therefore you can gain more knowledge about in cryptosystem.  The best profited way of earning maximum profit that you wanted is able you to preferred in trading or in mining. In trading, you need more capital or investment to be able to earn much better profit, it can double or triple or much more than this your investment but always remember it also can give you losses. Other way is Mining, thru this a huge of capital needed because of the really expensive machine that is needed for operating in mining.