Do yourself a favor people, if you insist on participating in the FRAUD known as pump (and dump)'s do yourself a favor and join something like
http://fairpumps.net/. It appears they do it without the insiders buying a shitload of coins before the pump so they can dump them on you. This "mr net" douche is using you for his own benefit and NOTHING else.
I know pump and dumps are a very risky game, but I participated just for fun.
I have trained te be very quick in making trades on bittrex, when I see the coin, I jump on it in 10seconds.
And I have been in the money 2/3 times.
I also participated yesterday with fairpumps, but the volume is low and the pumps are very short lasting. It is fair, but there is almost no chance of winning.
There is no pre-buy but when the top 8 is announced, those coins get pre-pumped. (who does that is a fool because you will never recoup the loss on the 7 coins with the profit from the 1 winning coin).
Also these are coins with no future, just random coins.
On the other hand, in mr nets pumps, the pumps last longer and he let's it overlap with a newsrelease (and higher volume). This has better results even when there are insiders scamming the crap out of the followers.