Y’all have the bigger half of $100k in truck and campers so to say $400 is too much for suspension help is silly.
However you can make nice lower stable loads for about $50 or free if you’re being cheap.
Headlights? Idk, adjust them. It’s not hard and once you figure it out it’s 2 minutes to adjust x number of turns.
Those big doolies are likely just barely engaging the upper overloads. You can stiffen up both the lower and uppers pretty easily with cheap backyard engineering.
But sitting 3-4” down in the rear is barely past level. Although like you guys I prefer level or level + a smidge. So it don’t look like it’s arse is dragging.
Lots of easy options for not much $ to $400. Not worth pontificating. Do something and see if you like it.