The second reason to buy the most liquid coins is that there are risks of scams. When you purchase Bitcoin you are sure that you will be able to sell it to somebody later. However, when you buy X coin, which is not as liquid and as popular as Bitcoin is, your risks are higher as everything depends in this case on the project, its team, goals, roadmap, background etc.
Ethereum bounced from the demand zone twice forming a tweezer bottom BUT was unable to close above the EMAs, which does not bode well for bulls. The support level near the channel bottom and FIB seems to be holding so far but signs of resistance are creeping in. MACD signal line is trying to crossover bullish and histo has just now turned gree, however, RSI ...
The main reason I’ve now started trading almost exclusively on Binance is because of the massive range of coins available. Many exchanges don’t offer more than 20 or so coins, Binance offers hundreds. Binance focuses on hosting newer alt coins before other exchanges so often the cheapest place to buy certain cryptocurrencies anywhere online is on Binance, this can give you a massive edge if you pick up coins that are only listed in a couple of places and those coins then go on to do very well and get listed elsewhere; this will push up the price and you’ll make a killing just for entering early.
It’s important to realise that you need to do your own research and come up with your own strategy for cryptocurrency trading. If you are short on time and want to play it safe; the easiest cause of action is to simply diversify into several different coins and then wait a year or more. However, if you want to maximise profits you should learn how to swing trade cryptocurrency.