How Much Does a Two-Point Coin Grade Really Change Your Return?

https://foxtrot-wiki.win/index.php/How_Chinese_Buyers_and_Global_Demand_Are_Pushing_Up_American_Coin_Prices

Which questions will I answer, and why should you care as a new investor? If you're just getting into investing and someone told you that a coin graded 67 is "worth thousands more" than the same coin graded 65, you're right to pause