First of all, Mining is not really profitable at the moment. And in fairness you got a huge amount of capital, and one more thing 3-5% per month is not achievable for the novice, it is really not realistic actually. But since that you are here, you can still do trade in the market but begin with small investment don't shoot all of your capital so it may not burn in the end of loss of the coins you are going to invest in. And you need a lot of things to know here very much before proceeding in big investment here pal.