Less then 50 dollars.
You can buy a new Triton paintball gun for around 90 dollars, but you could also try buying one on ebay or amazon for a much cheaper price.
Because your pulling the trigger.
Around $50.
In used condition? around 10 dollars.
Price or usage?
It is a gateway gun
The sizes 9 oz and all the way up to 20 oz can be used for paintball gun. Some of the paintball guns are supposed to be used by the larger tanks. So the size of tank depends on your paintball gun.
fusion is much better ions need to be fully upgraded
Either you have a defect in the gun/canister or you havn't charged your canister. If you just got your gun you should charge it. Usually they do not come with air in them.
Make sure your air tank is full and properly attached
The purpose of a paintball gun is to fire paintball pellets, to mark opponents in the game of paintball.
A paintball marker is a paintball gun. It is just called a marker instead of a gun.