Red man wrote:
I am probably just gonna go with 2 awg maybe 3 and I need to know what size wire for neutral and size to use for ground was thinking 8 white and 10 green. gonna get 25 10 ft 1 inch pvc conduit 1 30 amp breaker and 30 amp 125 volt receptacle I had a electrician come out here I said I was gonna be doing the trenching and getting material he said 2100$ to hook it up/labor, figured I'd just do it myself I got a mini excavator to do the trenching, want to know that I am getting the right material and not missing anything.
The neutral carries the same current as the hot wire. The neutral wire must be sized the same as the hot wire.
I know the costs is high. But reading your statements, I am thinking you need to hire an electrician. Get several bids for what you want. Some are much higher than others.