I would treat this as alternate assets. Gold should not be used as a tool for investments and more as a hedge on inflation. I consider gold, commodities, crypto , startups etc. all as alternate assets. I would recommend not allocating more than 10% of your capital on alternate assets.
I know it is always hard to time the market and folks encourage holding crypto forever.
The approach I take is to sell my crypto once I make 20% of return using limit orders. As soon as I sell I create a new limit order to buy at 10% price discount to price I sold my crypto. I repeat this checking my portfolio once a day and on average have found myself making an extra 25% return with this strategy.
The other thing is I rotate into only alt coins that are established like litecoin when they have not appreciated enough relative to bitcoin.
Financially, what does appreciate mean? You talked about Litecoin and about appreciation in relation to Bitcoin. Does appreciate mean to like mature or grow or profit or maybe to become less dependent on other things like Bitcoin?
What I mean is that i see a lot of herd mentality contributing to the rapid increase in some of the crypto coins. ex: ethereum and even bitcoin.
Litecoin price did not appreciate at the same rate and I felt it was undervalued. So I rotated some of my bitcoin and ethereum to litecoin when it was at 28$. I dont speculate on other alt coins and only trade in ZCASH, litecoin, ethereum and bitcoin