enjoy the games

First of all :
With the new steam rules you have to wait 30 days until the game become tradable .
What does that mean tradable ?:
-A game is untradable mean that u can't trade it .
then how can u get it from the guy who want to sell it ?
-they are "untradable" BUT they are "giftable"; he can gift you via steam or via your email but the guy (who have the game have to gift it to you first or you have to go first )
go first ?
never go first if the guy have less than 10 pages of +rep and don't have an good steam level.
how to chek the prices ?
before to buy the game chek the other sellers in outpost.tf link : http://www.tf2outpost.com/
you go in "search" : http://www.tf2outpost.com/search
after you write the name your game like "counter-strike"
and you will get all the sellers of this game.
BE CAREFULL !
New type of scam !
REVORKED
-What does that mean ?
A game can be revorked when he his untradable .
The game will be revorked "back" by steam and u will lost the game
why ?
because the guy who sell you the game pay the game with paypal money BUT he say to paypal i didn't done this payment .
steam will not get the money from paypal and will revorked the game .
after 2-3 days the game who were in your backpack or in your library will be lost like what you pay to get it .
-what the hell ?! how can i know if the game can be revorked !!! ?
usually this type of peoples don't have a lot of friends they have 8 pages of rep and they say that they will go first and they give u the game first after u send the keys and you are ♥♥♥♥♥♥. they sell you the game for a very low price . If you want don't know you can contact me
GTA 5 is the most revorked game in steam