Anywhere from a few to hundreds of thousands of dollars.
As far as I know, there are two major ones in the US.
The cheapest on rap4 is $1700+ dollars.
At most places, and all professional leagues, yes.
$330 american.
slightly less than $30.
It depends on who you are borrowing it from.
The Paintball world has many clubs and associations. The main one being PSP for speedball and the SPPL for scenario. There are also college leagues as well as entire communities dedicated to Paintball such as techpb.com
$40-50 dollars
If it is a matter of cost, you have to weight how much fun you have with paintball vs how much more it costs, and if you have the time to play either. If it is not, you should play both.
They run usually in the 400-1000 USD range.
It varies but a whole field can cost you up to 2grand or more, and say on average $1200 in American Dollars
Cost will change depending on how much work is done, or how much of the gun is painted. Typical cost of a simple 2 color fade over a full gun is around $250-300