Potty Trainer Needed

I am over this fighting and screaming and fit throwing. I am looking for a potty trainer to come and train Luke to pee on the toilet. Otherwise I may let Luke be in diapers the rest of his life. I am over this crap!
I researched and talked to friends about what worked and didnt work and got lots of great advice. I was so excited to start this morning and said a prayer last night. When it came time to actually GO to the potty, Luke started throwing a fit and screaming. I had explained to him earlier that he would get a star on his chart and a treat for every time he went potty and didnt go in his big boy pants. NOPE. Didnt work. In fact, I tried being calm and talking instead of yelling, and that didnt work either. The kid just doesnt want to go potty in the toilet. I had a small potty on the ground that he can go in or the big boy potty, but NOPE, didnt want anything to do with either one. I seriously dont know what to do! ADVICE PLEASE!!!!