Originally Posted by
tr3k
Just had to use it. Booked a ticket with an airline which is known for having no 24 hour grace period (and very poor cancelation handling). Expedia gave me almost 3 days (booked saturday, can cancel until monday night). Canceled in a bit over 24 hours - and see the reverse charge preauthorization on the card immediately. Usually with "24 hour" cancelation charge doesn't even hit my card.
Book on Friday and you can cancel up until Monday evening.
Another benefit of booking with OTA is it actually gives you two points of contact if IROP; OTA and airline.