This week, Mike Zaccheo and moderator Justin Walter dive deep into Delta SkyMiles after highlighting an inspiring post from Karen, a solo traveler in her 60s who completed a 3-week, around-the-world business- and first-class trip using 326K AA and Virgin miles plus $8.2K in cash for a journey valued at ~$22K. Her itinerary spanned NYC, Tel Aviv, Paris, Tokyo, and Phoenix, with smooth connections, Hyatt stays on points, and carry-on-only travel. She earned 38K miles back and proved that with p...