Help Wanted to review cards for PSA submissions

[uhlhockey]

Hello,
So at 62 years old the eyes are getting bad, I had 20,000 cards, Topps baseball, from 1961 to 1968 that are NM-Mint, went thru the best I could and got it down to about 12,000 that I think could be graded.
....However, I know it is a fine line to submitting cards looking to get grades of at least 7 or better. At $10 per submission, getting some of those years commons result in having about a $5 to $7 card.
,,,,,So I am wondering the best way to go about hiring someone with PSA submission experience to go thru the cards and advise on what is really worth submitting.
...Was wondering if anyone has also hired anyone to go thru there cards for PSA...
I am located in Chicago are,
Thanks,
Joe