Not a good way to make money if you only hold your bitcoin imo. Start trading bitcoin or altcoins to double your bitcoin and sell your profit to USD. I think that its good way to make money.
After doing trading it is not sensible that we have to sell our bitcoins for fiat/usd, but we have to wait with them for more longer and so with that we will also get the profit with the price rise also, we should have to think for long term investment in bitcoin as I think only that is the way to get the profit.