If you're really new I can only suggest you get used at exchange to looking at the market chart a few days or weeks and decide. do not immediately start with large capital without getting used to the market. but if the goal is to hold long-term, it's just a matter of determining the buy point that you think is okay.
It seems that he is not for day trading or short term but with long term that determines his target price of $100k, of course he still believes in some of the speculations that exist.
Behind all this of course buying is an easy thing the most difficult is whether he can survive all the time?
Because there must be some obstacles that must be faced and usually when pumping continues, there is FUD news that always knocks him down, so he must be strong in facing this, especially with his strong determination to hold on to the long term.