Ethereum will definitely hit 2000 dollars but in 2 months it is definitely not possible. I would suggest you to invest in ethereum and forget it for like 6 to 9 months. When you return back you ll see 2k$ worth of ether.
The specified times is looking not enough for ethereum. It needs more time to reach that price. It a matter of being patient if you're in ethereum. It will give you what you want. Never worry about it.
Absolutely, the longer someone is going to hold his digital asset, the bigger will be his amount of profits. As it is this way that all the potential coins increase their value with the passage of time. Though is have not heard of anyone who was able to become millionaire with the help of ethereum but is believe this coin is the most trustworthy one among altcoins. Despite of its slow nature, it has never disappointed holders.