Picked this up last Christmas(wham) and got it signed by ottley last March by megacon and just wondered what grade I could possibly get

Just curious if there is a general opinion on the cleaning services that CGC provides. Are they on par with, worse, better than another party? My concern is that if you send them in for those services do they genuinely try attain the highest grade for you possible. Per some suggestions on prior questions about comic beautification on here I have tried educating myself on it and watched some videos and done some reading and I have noticed that the “masters” of the art repeat their processes and steps quite a bit in pursuit of the best results. From the mass production philosophy they seem to take a on cranking out grades and slabs, I don’t see CGC dedicating the same amount of effort. Perhaps if I was a $300 dollar a year premium account holder…but I ain’t!!!