Hey there!
I would like to ask you what you concider a good amount of bitcoins for daily short term speculations. How do you think what is the good number for beginers / advanced / experienced traders? Or maybe it if better not to short and just buy some of any good alts and wai for a pump (like some days or weeks)?
The minimum price, you should not throw out 2 to 3 bitcoins at once, especially in the short term, you will burn very quickly. Well, it all depends on you, you can put it all and all of a sudden you're lucky.
A good trader will never put it all. Even if you are buying in on an asset which you think it is at a good price, it is safer to get in bit by bit so as to give chance in case it goes lower and lower in percentage than the price you got in. Trading is not pure luck. You have to be smart and skillful, luck only takes a little percentage of this other two.