I have a few bitcoins and am going to buy a few more in a day or two. Will have some 10+ Bitcoins then. I wanted to know which is the best investment option where I can invest my bitcoins and earn some profits as their is no point of just holding them and let them stay dead in my wallet.
This seems like strange question from an early adopter - 2011, you should know all/most of the investment options open to you after being around for this long

You seem a bit newbie if I am honest, no offense.
To answer your question though alt coin trading had been good to me and even though it has slowed down there is still profit to be made investing in them, you could put a couple of coin to the side and learn how to trade BTC/USD which is much better than just leaving them in your wallet doing nothing.
You could even invest in cloudthink.io I hear that is a good investment why not try it?