ok so if i put a leveling kit of my truck and pull a trailer at night is my head lights going to be pointing at the sky?

I want to get a leveling kit but i pull trailers often

 

I had a 2" on my Screw and never had a problem with people flashing their lights when I had my Jeep loaded on my trailer and I put quite a bit of tongue weight on the truck. You could always adjust the headlights if you have a problem.

 

If you have a WD hitch, it will not be so bad. If not, yes you are always going to be driving "uphill" when towing.

 

I tow quite a bit w/ my silverado and my old f-150, I added rear air springs (got air ride w/ the expedition), The rear air bags really made things nice, kept the truck level and made it harder for the tail to wag the dog. Just my .02 cents.