which ones? I have the thin logo ones on two bikes and they show minimal signs of wear after a couple of years. do you have sandpaper hands?
Twisted waffle, thick, the ends wear down really quickly for me so, OK if I rotate the grip 90deg, but they havent lasted long at all, maybe 500miles? Not riding in the mud or anything daft either, they just didn't last as long as anything else I've used for no obvious reason. Gone to foam grips on most of my bikes now anyway, saveing a lot of weight and no noticeable loss of grip, comfortable and no wear.
Because I switch bars/controls/set up around a lot.
May I suggest you cure you're upgrade-itis then rather than mitigating your symptoms, it'll be cheeper in the long run