Grading Mistakes in Cards: Beginner, Intermediate, and Advanced

9 grading mistakes killing your sports card and Pokémon profits broken down by skill level. Matt covers PSA's new 50–70 business day turnaround at the $80 tier, why Beckett only bumps a certain amount off the average, how PSA actually grades, and why annualized ROI matters more than raw margin. Beginner, Intermediate, and Advanced grading traps drawn from ~$50K in personal grading spend over 18 months. Weekly Newsletter Signup: Slabnomics.com 🎥Youtube 📸Instagram