This is part of living with a longer camper. Every year in spring i have to relearn. The gauge i have is from a tree branch in a campground . always listen to the inner voice. When i doubt i let the wife do it and spot. she is a better tow and driver anyway so helps. When i got the camper home and me and wife always backed it up and one directed for the first 2 yrs . We got a walkie talkie that helps a lot too . plus at home you just get used to it. I can do some crazy stuff in my small parking lot now. I have come close to taking the mailbox and house a few times I think its simpler than a popups as they were so short i had a horrible time backing them no matter how many years when by i could never put my popup where i want in 1 shot. I do it alot with my 32 footer.