No new investor should think twice on any other coin apart from bitcoin because no matter how long that shitcoin have lasted in the market, it cannot grow in price compared to the growth of bitcoin. This is why I advise people not to think twice but invest in bitcoin because bitcoin future is very bright because it's still young and will grow more in value. Bitcoin has the potential to multiply your wealth in future but no one can say about shitcoins because they don't have good foundation and historical price movement that has created several ATH overtime.