I still dont know, is this good or bad?
i plan on pulling singles but will the 6* in 10 attempts go away after Gilberta?
Yes, getting rate-up resets your normal pity. There a soft pity, so you have some chances to get 6* in 3 pulls, if you get it and you lose 50:50 you'll get 2 characters (one from normal pity and one from guarantee)