I believe I have expressed my opinion on stance in previous posts. I also have an opinion on air shocks and their use to raise the rear of a leaf spring equipped vehicle.
Leaf springs support the weight of a vehicle in four points that were designed to carry the weight and suspension action, when air shocks are used to raise a car over the normal height of the springs the weight is transferred to two points that were designed as mounts for normal shock absorbers. This defeats the purpose of the leaf springs and could possibly create structural issues with the upper shock Mount crossmember.
(Ask me how I know!) I was also one of those guys who back in the early ‘70’s had air shocks, I learned the hard way that there are better ways to raise the rear of a car.
Now a day I prefer a lower stance, hence the profile of my Comet now compared to how it looked back in the late ‘60’s, early ‘70’s.
You may agree or disagree with my opinion, no problem.
As for car covers. I recommend purchasing directly from a manufacturer like Cover Craft, not a reseller like California Car Cover. ( they source their covers from Cover Craft)
https://www.covercraft.com
I have at least six covers for my variety of vehicles, I prefer the soft cotton covers for indoor use, I also have an cover made with Kimberly Clark Evolution 4 material if the car is to be outside overnight at an event.
For indoors when I am making dust in the shop or just to keep dust off the car for a short period of time I use this type of disposable cover.
https://www.griotsgarage.com/disposable-car-cover/
Jim