Point is unlike bumber pull you do not need to be exact, close is good! I too am 5' 10", I painted a white stripe down the center of the hitch plate, I can just see this stripe in the center rear view mirror, I get close using the tow mirrors,make sure tail gate is down, then lign up the stripe with the pin and back. One advantage, my GD 5 wheel has a feature that positions the height of the 5th wheel to the last drop off point, so I can just back into the pin. If you do not have this you may have to stop and get out and checkpin height when you get it close. And as withh all things practoce will give you confidence, sooo please do it right, make a check list if posible, when you get your confidence you will be doing it right! Good luck!