Originally Posted by nightan

Thanks SFO777. I tried to do the booking again today (same parameters as before - the rate jumped when Preferred was input) and this time the rates stays the same. It does not go up ~$100.
It also offers me to Pay now so I'm curious about whether it makes sense to pay now to lock in the rate or since I'm preferred I can have them directly charge my card upon return. Any experience with the quoted rate changing arbitrarily considering that my reservation is about a month out.
TIA.