Must-have camping accessories for Honda CR-V TrailSport?

Ive been camping out of my SUVs for years now and just traded up to the Honda CR-V TrailSport since I needed something reliable for my weekend trips around the Pacific Northwest. I was genuinely impressed by the stock all-terrain tires and that slightly beefier suspension but now that I am actually packing it up for a longer stint out near Mount Rainier next month, Im realizing the interior setup is a bit different than my old setup. I dont exactly have a massive budget, maybe around 500 bucks or so to get the rig dialed in, but I want to make sure I am not missing any gear that specifically complements the TrailSport trim. Ive got the standard roof rails covered, but I am looking for advice on things like interior storage solutions that wont rattle, maybe a decent dedicated power station that fits well in the cargo area without killing the backseat legroom, or even just some clever lighting solutions. Does anyone have any must-have accessories that actually make a difference for someone who likes to keep it pretty minimal but functional for a week in the woods?