Help with Weight Distribution Hitch

Wow. Thank you. When I originally looked at how to hook it up, I mostly based my instructions on a youtube video from Eaz-lift (if I remember correctly). I believe that is where I got the incorrect / outdated information about the sag being equal front to back (can't remember where I got the 3/4" tolerance from... Eaz-lift says 1"). All of my other steps were done correctly, it was just that step that was wrong. With the new information, it fits a lot better with the instructions the dealer gave me for setting it up (raise the coupled hitch approx. 3"-4", attach bars at closes chain link, then lower hitch weight back down). Obviously this will change once I get it loaded with bikes and what not, so I am definitely grateful for the correct information... otherwise I would have been loading it wrong every time I towed; which I'm sure would end up in disaster at some point. Thank you for all your help guys!