Of course that's why you need to choose wisely if you wanna make investments, to me 20 cryptos max seems a good compromize in terms of diversifying your risks & stategies depending on each coin.

Every person is different when in turns about investing (money to invest, knowledge, personnal goals) like mostly anything in life so there's no proper "tutorial" but just common sens and basics rules to follow and stick up to avoid losing all of your investment

I've just started on Steemit, if you like the article, you might consider to follow me back if you don't mind, you'll get access to all my latest news on CCcies and how I deal with stategies & investments ;)