Stay away from meme-coins like plague. From what I have seen during the last 9 years, I would say that hype alone can't keep a cryptocurrency afloat. Despite the increase in market cap and exchange rates, Dogecoin has seen no significant improvement in acceptability. Even now there are very few online stores which accept Doge as a mode of payment. The transaction fee is low. But Doge is not considered as a secure payment method. And it can't really compete with coins such as LTC or BCH in the small payments market.