If you want to play online against other players yes, but you can play offline against bots.
Omg .. Noob!
To manually place Counterstrike source files in GMod you will have to drag them either into the common folder or the folder with your name on it.
3-5 hours
Yes it happens servers crash and lag out or can be you and your internet.
The best place to buy and play Counterstrike 1.6 or Source is through Valve's distribution application: http://store.steampowered.com/app/10/
It should be able to play it perfectly.
There are some console cheats that can be activated by an admin if "sv_cheats" is on.
No
They might have Counter-Strike Source, but when I went to Walmart to check, I didn't find it...
it is mainly used for increasing the gain of the circuit
yes but dont use it because u get vac banned because im awesome
beta is for new updates they did which opened up the trophies better stats tracking of your player ect.