I have great laxity but in the second HT the doctor really cut me up badly. Also the surgery was very painful. The doctor injected a lot of medicine to make my scalp numb and it hurt a lot. Then he took an interview trying to get a testimony from me claiming the surgery was painless. I didn't want to lie, so I said it was painful. Ironically right after the surgery he was talking about scar repair.
Now the scar stretched, and I am forced to keep my hair long. So if you have great laxity then make sure the strip isn't cut ear to ear. Make sure you both agree to do a small strip.
I never got FUE done, but even in that if the doctor overharvests your donor then he will mess it up.