I've towed a fifth wheel all over. Wind will absolutely play a factor. Not as much as grade...but does matter. Long drives, wind has cost me an extra stop for fuel.
I reserved on intro day as soon as the pulling numbers showed 3/4 ton ability. I'm sitting on the email, res #1127...I was...
Maybe I missed it somewhere else.... but for some of us, by far the largest question is battery capacity / duration while towing. Especially since the Lightning was down to 150mi or so.