I will grow it in a safe way, perhaps with mining. but I want to put on the mining sites are legit.
Don't put your bitcoins in a cloud mining sites because you're a little bit late. Just hold your bitcoin until the halving.
Some mining site is adopted HYIP system become their system. It's very dangerous for you to invest your BTC on the mining site. Maybe you can lose your fund before you get a profit or you will never get a profit from there.