The coin is certainly interesting and it is worth investing in, but not all means. If $ 1000 is your entire budget, it is better to invest in 2-3 promising coins and keep them 1-2 years, so it will be more reliable.
There are many reasons for the growth of bitcoin, but I think the most obvious is that its popularity is growing. And many people after seeing how it is growing rapidly since the beginning of this year decided to just make money on this growth
Yes, I think the Etherium will cost $ 1000-1500 in 2018. Only he had to buy at a price of $ 300 and not after he jumped in price, but for a long time you can still take
This is for sure no one will tell you which of these altcoyins will grow in value. EOS is not a bad coin, I think it has all the chances to reach $ 10 and up to $ 20