score:4
There are many ways to process a credit or debit card transaction.
One of them is an offline transaction without the customer being present. For this, the 16-digit number plus the CVV are sufficient and the SecurCode system is not used. So you can be charged in such a case.
Also, Expedia or the hotel may pre-authorize the charge before your arrival. In such a case, you will not be charged ahead of time, but the hotel is sure that the charge can be made. Again, the CC number and the CVV are sufficient for this.
Upvote:2
They do not forget about your booking. You will be charge if you're a no show. If you cancel after the free period, you'll b charged a fee. If it states it non-refundable booking or deposit, then you lose the price of your booking or deposit for the trouble of not cancelling.
It is very easy to cancel with Expedia. You can do it on their website. I haven't booked with hotel in awhile and I've never cancelled.
I usually put a reminder in my phone or on the calendar to remind me of cancellation or bookings. I hope this helps.