Your choice is good. But usually I hear recommendations for beginners to invest in btc or eth the most you have. and a little bit in alt if you want. As for me, I prefer to keep at least 90 percent in btc and eth. I'm pretty sure that nothing can happen to them. And I also believe in IOTA. I think it's good for a long term
So say I did start with mainly ETH and maybe 1 or 2 alt coins. What then? How should I add on to the portfolio from there? I see a majority of portfolios have 6-10 coins with varying market caps. How should I approach getting to a more diverse portfolio?