To celebrate its 60th anniversary, retailer Best Buy is offering $100 gift cards for only $60, and the timing is great if you want the $100 Ultimate Edition of GTA 6. The offer is good for one day only, August 22, and you’ll need to visit a store in person to get the gift card. Additionally, Best Buy said quantities are limited, so people are encouraged to show up early. The fine print states that each Best Buy location has…