Yes, altcoin is best but not all. some altcoin is really great. some altcoin almost use as good as Bitcoin.  but not all. altcoin is risky and long term investment.  so you can loss on your valuable time. but most of the altcoin is really good. on the other hand ,, you can using Bitcoin any time. and it exchange easy and comfortable. so altcoin is best but not all not Time.