It banks on the experience that many have had where delaying a decision has resulted in "Lossing" out on staying where (or at a price) you wanted. Much worse if

It banks on the experience that many have had where delaying a decision has resulted in "Lossing" out on staying where (or at a price) you wanted. Much worse if coordinating with multiple parties going on the trip :) I guess the most fair disclosure would provide a Google flights like pricing chart that shows cost increase and seasonal availability projections. I try to make the decision independently of the point of sale vendor. The aggregator can help limit impact of these tactics by API contract with these sites that focus on price/availability without artificial urgency.