i bought it for 39.99 should i return and get something else?
No. The G500 is nothing short of the finest mouse you can get for non-MMORPG usage. Unless you demand to have a clickable middle mouse button, I would say keep it and love it. In my time with it, I never experienced any sensitivity issues with the scroll wheel.
EVGA GTX 780 Ti Classified | Intel i7-4790K | MSI Z97 Gaming 7 Motherboard | Razer Naga | Razer BlackWidow Ultimate I do Monk things.