Hi. I've never pulled any major wires before and was seeking some tips and advise. Will be pulling 4 wires (3@ 1/0 xhhw-2 AL and 1@ #4 awg xhhw-2 AL) though a 2" conduit. The new Barn subpanel is uphill (about 6-7ft in elevation from the House) if that matters. I have a drawing to scale...