Yah, use the GlowSteps and luv'em. you can ADD steps, up to six I believe and they are adjustable to the ground. Compacts easily and is critical for WalMart (Markets) stops...
They are easy to take off too.
make sure you get the Locks with it, they are stronger and keeps them from wandering off.
Alignment:
I put mine offset a little to allow for opening the door while on them instead of right in front of it, so plan accordingly if you can.
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I string a set of lights for night time ease of seeing them which helps..
Can't really think of any negatives, but each camper is different.. so keep that in mind...
Otherwise, strongly recommend them...
Good luck...
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