Today we cover JetBlue's 125% bonus on purchased points bringing costs down to 1.43 cents each, plus Hilton Amex cards offering up to 175,000 point welcome bonuses. We explore the highly-rated Capital One Lounge at JFK with its famous cheese counter and reveal the hidden third floor at Denver's United Club accessible via elevator code. Also discussed: Delta's new Atlanta security protocols for London connections, airline loyalty program disputes over credit card chargebacks, and various shopping portal bonuses for earning extra miles.