Well, if Bitcoin's price is high, other cryptocurrencies are profitable too. So, now it's great time to buy and hold and when btc will rise, altcoins will rise too. Of course, it's hard to compare some of them to btc but it doesn't mean that they are not promising at all. I've been wondering about buying IOTA, because it will be available on CoinDeal soon. What do you think about this coin?
In fact, you are reasoning correctly. I agree with you that need to buy altcoins when they have fallen in price, as it is now. It will be a good bargain, if in the future there will be a increase in prices. But the problem is that no one knows which altcoin will be profitable. In principle, people respond well to IOTA and have good ratings:
https://revain.org/projects/iota. But my personal opinion is that I don't believe in the future of this coin. I would prefer Bitcoin. But here is the problem. It is now quite expensive. Now, if the book was worth 10 times cheaper...