I can suggest for that huge money is to save it to your by wallET  because as you can see halving is talk and trending among people,stakers and investors as they speculates to earn more and you CAn do the same to, just save that 15 by in wallet and wait for halving for sure you can get more profit with it since your holding big amount of Bitcoin in your wallet,  and don't hesitate to do it because as speculated price will pump uptown 700-800$ hope it will go to this price and wanting sure about this we are all winner if halving occur.