My friend is helping me by having me grade/sell his entire collection. Any info/tips anyone has is appreciate. What I've done so far:
-read online Robert Overstreet's advice
-bought an April 2008 edition Official Overstreet Price Guide
-now learning how to grade them
On a side note:
On the back cover of a 1979 X-MEN, there is an ad for "Wate-On". If you're too skinny, and want to gain 10-15lbs, this product is for you. Imagine that...