have something at your fingertips
have (something) at (one's) fingertips
1. To have something physically within one's reach or in one's hand. I always have a glass of water at my fingertips when I sleep, because I hate waking up thirsty.
2. To be able to easily or conveniently access, accomplish, or achieve something. With our new 24-hour phone service, you have quality customer care at your fingertips. Because the Internet is so easy to access these days, we have every resource imaginable at our fingertips!