The cost of a gaming PC totally depends on the quality of the PC which you select for your gameplay. According to an estimate, a good quality gaming PC usually costs between $600 to $1000. Moreover, the type of gaming PC may affect the price of the selected one. The good PC cost around $600 while a very good gaming PC is available at a price equal to $750. On the other hand, the top quality and greatly working PC may cost approximately $1000.  Therefore, you must define your budget then go for purchasing a gaming PC accordingly.