Actually not also invest your bitcoin. You have to think well whether you want to invest according to your kindness if you are sure immediately invest your bitcoin, if still doubt you should not
If you want to generate some passive income for self then invest in bitcoin and make money with bitcoin with easy way that you have sense. I means that invest your income in such a project that you have enough knowledge. It will create a passive income for you and you will enjoy. So don't waste time invest in bitcoin and enjoy the money.