Am i reading women wrong?

hi, i'm 27, single & have been for 7years. im successful, handsome& articulate, well mannered, well groomed, now wht i dont undastand is girls always stare at me& blush, no matter whr i go, which leads me to 'make a move', i walk to them&say 'hi, how r ya?', (well mannered small talk) &they tell me to piss off!! im like yipes!! what did i do wrong there, i mean, 1 or 2 times, fair enuf, but this has happens nearly everyday or whenver i'm out shoppin or clubbin or at parties. what is goin on here? what am i doing wrong? my mates tell me to just touch the chiks ***, but im not like tht, i say hi&wana start a convo, y do they just flirt and then when i approach them they reject me?