Both, for me, is a good idea. Investing your money is a wise thing to do in order to earn passive income. Just be sure to invest in a good quality coin, in the part of cryptocurrency, and in a well known and strong stock market. The only bad idea there is if you invest in a bad coin or stock market or you invest without researching. It is crucial to have at least a little knowledge about investing and going in without a plan or something could be devastating.