In the world of travel hacking, there is one universal rule: . Miles are not an investment; they are a currency that airlines can (and do) devalue at any time without notice. If you buy 100,000 miles today with no plan, you might find that the 80,000-mile flight you wanted suddenly costs 120,000 miles tomorrow. When It’s Actually Worth It
Value per Mile=Cash Price of TicketTotal Miles NeededValue per Mile equals the fraction with numerator Cash Price of Ticket and denominator Total Miles Needed end-fraction buying miles worth it
We’ve all seen the flashy emails from airlines: "Limited Time: Get a 100% Bonus When You Buy Miles!" It sounds like a dream deal—a shortcut to that first-class seat you’ve been eyeing. But before you enter your credit card info, you need to know that . However, "usually" isn't "always." The Golden Rule: Only Buy What You Need In the world of travel hacking, there is one universal rule: