Buy some now. If it decreases further, buy some more!
That is what the best to do right now, you can make big profit by buying more bitcoin and saved it for your future do not hesitate just buy if you have some money. This is a good opportunity to more bitcoin users if they missed to earn before.
Yes you are right that time is very best to buying bitcoin and you will make more profit, if for those who has lose this chance to buy bitcoin so they have a good chance to buy bitcoin and hold for long time it will make a big profit, and more, some export says that the price of bitcoin will goes after one or two week to 3000$ , so now buy more bitcoin .