Is the Rebilliant attic ladder worth it over a wooden one?

For occasional attic access, yes. Aluminum is lighter and won't warp or rot like wood. If you use the attic daily or store heavy items up there, a sturdier steel or fiberglass ladder is the safer spend.

What ceiling height does it fit?

It is listed for a 10 ft ceiling. Measure from the floor to the top of the ceiling opening, not to the room ceiling, before ordering.

Can one person install it?

The aluminum frame makes it manageable for one person, but the ladder still has to be lifted into the opening and fastened to the frame. A second person helps on the first lift.

Does it come with the ceiling frame and hardware?

Check the box contents before buying. Budget ladders sometimes ship the ladder only, with the frame or mounting hardware sold separately.

Attic ladders tend to drop during spring home-improvement sales and fall clearance. Set a price alert and compare against steel ladders at the same height before buying.