Neo is one of the best altcoin but off course ethereum is the best one. Buying neo is good and the perfect time to buy is always the time where all is in dip. If given an oppurtunity and have extra money,I would like to buy Neo coin and invest it for a long term.
First of all, Bitcoin among other cryptos are integrated on Blockchain Technology which guarantees maximum security. Also Bitcoin took the world by storm and still remains popular as people are starting to appreciate its decentralization feature and it's credibility.
Litecoin is one of the crypto currencies with a very bright future. Created similar to bitcoin with just few changes, it has a lot of advantages when using it and is rapidly gaining popularity worldwide. Litecoin had always had the potential to hit higher prices.