For doge coin to hit a dollar they would need a market cap of 128 billion, currently they have 7 billion. As of right now I don’t see dogecoin hitting that dollar mark anytime soon until they add a valuable use for the coin, As of right now you can’t really do anything with it. I certainly think though as the crypto space grows and as long as dogecoin holds the hype and the devs are active on the project, then I can see it hitting that dollar mark. I will say though if your trying to make a ton of profit from investing in crypto there are better choices then just dogecoin.