Plans never survive first contact with ASC
FreebirdAirsoft, it sounds like you have an idea; but it also sounds like you know nothing about airsoft. That's a surefire way to lose both the respect and interest of this community. Learn about the sport and get involved and undertake whatever endeavor you choose to go with because you want to help the sport move forward, not just because you see a potential revenue stream associated with it.
First and foremost, you're offering rentals and walk-on style play. You might attract a few people, you might attract kids and people curious about airsoft... but you won't attract many serious players. Airsoft isn't paintball.