It’s the oldest sales trick within the book: Tell customers demand is high and provide low, and if they don’t act quickly a proposal can disappear. The non-profit-making support cluster Twin Cities Consumers’ checkbook found that several hotel-booking websites take this maneuver to extremes.

In a recent investigation, it found that once travelers buy rooms on several travel-booking websites, search results issue constant false warnings regarding deficiency.

For example, as you scroll through listed properties at Agoda.com, details regarding amenities and rooms for a few hotels quickly disappear, replaced by “JUST uncomprehensible IT!” and “Sold out on your dates! Our last area here is already engaged. cross-check these similar properties before they’re additionally oversubscribed out.”