Use a website like pokecardmaker.net or get out some paper, pens, and coloring materials (colored pencils, markers, paint, etc.)
Certain cards will increase in value tenfold when graded 8 or higher
For example, take a look at this LordKnightmon list
Their last-ever set, Skyridge, is one of the rarest in history and just so happens to be home to some of the most desired cards from the 2000s
This strategy was not only the most popular deck and highest achieving, taking four out of five spots in the top 5, it was also shockingly consistent, with a win rate of 56.8%
Luffy SR (OP04-090 SR) Set of 4 cards There are no scratches or white chips to be concerned about, There are no flaws or white flakes to be concerned about, but there may be some scratches and some scuffs that you may overlook