I spent three days in the hospital due to prior nerve damage and the need for full anesthetic rather than a spinal block. Others done at the same time spent two days and had the spinal block. Up walking the next day. Discarded walker when I got home. Used one crutch for about a week and cane for a few weeks, but only when I went out. I had double the PT time, again due to prior nerve damage, which had affected my quads.
I experienced minimal pain, although I ended up sleeping in my zero gravity recliner for a couple of months. I suspect that was a problem relating only to me as I've never heard of anyone else having comfort problems when sleeping.
Best advice: exercise those quads as much as you can beforehand. You're never as strong as you think you are.
New surgery techniques make hip replacement a piece of cake these days. Possibly the best decision I ever made.