Ethereum is so popular for many reasons. It became popular when many ICo's started using eth for their tokensale and projects and this is because of the provision of smart contract platform that ethereum has for other tokens which makes ethereum stands out which is actually the main reason why its popular.

It's unpredictable for now but i think altcoins price will increase high because of the positive way bitcoin is moving and the crypto market is increasing. Many altcoins will increase depending on bitcoin increase trend

Since you didn't buy at dip, I think it's better to buy now because I don't think it will dip too much again like before even if it dips, it's going to be just little decrease. Right now, bitcoin price is going up and I don't think it's coming down soon.

No risk No reward!! Life itself is a risk so in everything we do that's worth it,  there is always a risk we take before it succeeds or fails and failure is not the end but a stepping stone to success. In the crypto world, risk taking is inevitable, for one to make it, one risk or the other has to be taken at one time. U might lose when you take certain risks but it should not discourage you... You might also win but before the win comes the risk.

My top 3 coin altcoin to invest in is Ethereum, Neo and EOS. These are potential and sure coins that will bring huge profits in the long run, not to mention their technologies.

I would say good strategy and knowledge in Crypto makes one make it but luck also works sometimes not just in Crypto but also in life generally.

Both bitcoin investment and trading is profitable depending on how much time one has. If you have time to watch the market and trade, then it's OK but I prefer investing and hodling bitcoin and trade other altcoins.

These days I found out that investing in ICo is like one of the fastest ways to lose your money or throw away your money, it's very risky. No doubt there are still very few good ones though but it's very rare. IEO'S have taken over