You will find lots of CS:GO server hosting prices on this page. Many game hosting companies tend to offer at least one flavour of Counter Strike. The current title in the franchise is Global Offensive. The game is relatively easy to host so this keeps the costs down. This low cost allows these companies to be competitive. Having your own server that you control will make it easier to avoid the hackers and griefers.
Found 11 companies offering CS:GO Server Hosting starting at $0.47 per slot