Many idea are coming up but I will said it is very risky to put your hard earned money in the hands of others to manage it for you why you expect return on a periodical base.  I will advise you to use few of your time to learn how to trade professionally.  If you can develop your skills and knowledge about how to invest and trade cryptocurrencies profitably there is no way you will not get monthly income from it.  What you just need is to learn how it works and trying to work along with the trend and you will have coins in your purse.