There can't never be the next Bitcoin and we have to understand that if we want to benefit massively form the industry, we have to understand that without bitcoin, this market won't have come into reality. Bitcoin has every factor supporting it to be dominating for a very long time. No cryptocurrency can out shine Bitcoin, they all need it to be worth something.

That been said, if you're investing, invest because you want to make profit and not to replace Bitcoin. As a cryptocurency investor you should always value Bitcoin and make sure you own some. We can only have one in the whole world while altcoins will always be widely available for purchase. If you miss this particular coin, no need to worry as others opportunity will present itself in due time, just keep accumulating fiat so when the opportunity comes this time, you won't miss it.