Air:-Airline tickets
-American gift cards
-Baggage fees
-Delta gift cards
-Hawaiian gift cards.
-Online travel agencies (Including Expedia, Hotwire, Orbitz, and Priceline)
-Seat upgrade fees
-Southwest gift cards
-Retail travel agencies
-Taxes on award tickets
-United gift registry
-Helicopter tour of the Grand Canyon (Papillon)
Dining:-Uber Eats
Lodging:-Airbnb
-Airbnb gift cards
-Campgrounds
-Cruises
-Groupon Getaways
-Hotel stays
-Marriott gift cards
-Motel stays
-Norwegian Cruise Line gift cards
-Online travel agencies (Including Expedia, Hotels.com, Hotwire, Orbitz, and Priceline)
-Priceline
-Timeshares
-Retail travel agencies
Theme Parks:-
Disney Vacation account funding-
undercovertourist.comTransportation:-Amtrak
-BART
-Bridge tolls
-Buses
-Car rentals
-Car2Go
-Eurostar
-Ferries
-Greyhound
-Juno
-Limos
-Lyft
-Megabus
-MetroCard
-Muni/parking meters
-NJ Transit
-Oyster card
-Parking garages
-Prepaid EZPass tolls manually loaded (For most people)
-Prepaid I-Pass tolls manually loaded
-Prepaid FasTrak tolls manually loaded
-Prepaid SunPass tolls manually loaded
-Postpaid 407ETR Toronto toll
-Subway travel
-Taxis
-Tolls
-Trains
-Trenitalia
-Tunnel tolls
-Uber gift cards via MPX only
-Uber
-Zipcar