SGC grading inconsistencies

[Mike in Vt]

Hello all,
I recently sent cards into SGC for grading, as I hope to sell all my cards to pay for my photography gear. I used SGC for two reasons, first, it doesn’t require a subscription and second, I always read they are better with vintage cards. Before sending them in, I carefully examined each card and compared them with others I found online. I estimate the condition score conservatively and what I got back left me flabbergasted.

I know, I know, it’s common for collectors to not get what they were expecting. That’s happened to me with PSA in the past, but with them they were consistent with everything I had sent in. With SGC, the grading was like a Rob Dibble fast ball...all over the place. Cards I thought for sure that were 7s got 5s and cards that should have gotten 4s got 6s.

Has anyone else had this issue with SGC? Do I have any recourse? Does the same grader do the entire order? Any advice would help.