Transcript for What it really means when travel sites say there's 1 hotel room left
All right, everybody, we're going to turn to our "Gma" cover a consumer alert with spring break right around the corner we've all been there. You book your hotel for the trip and get an alert that says there's only one room left. What does that really mean? Gio Benitez is here to answer that question for us with more. Hey, gio. All see the pop-ups when booking online. You might get so worried but consumers checkbook investigated and we decided to take a look. Watch this before you book that next hotel. Darla Dimauro loves taking vacations with her family. I'm a planner and always book my hotels online. Reporter: But says those claims of only one room left on hotel booking sites can make her anxious. I wonder if those alerts are true and whether there will be rooms tomorrow. Reporter: Similar questions asked all across social media. Consumers checkbook that ee veils services investigated hotel booking sites check ago -- checking alerts. With two interns simultaneously trying to book hotels in the same cities for the same dates. One searching for one room. The other for two rooms at the same hotel and compare findings side by side. On or. Bitz checking Denver properties. For our searches on both orbitz and booking.com we did not find differences but when we check priceline's listings for hotels in Denver the one room left alert pops up for our internist sabella and two rooms left for intern Katie at the same hotel same price. One room left here so which is it? While searching New Orleans, this one says one room left, this one says two rooms left kwhrt when we check hotels in Miami, only one here but only three many roos left over here. They're the same price, 143 a night. Checkbook finding similar results. Priceline was the leader in terms of warning about low available. Reporter: Regarding the one-room left pop-ups, priceline said it refers to a specific room at a specific price not the another hotel. The language is accurate and changes by the minute depending on available. They're pointing you to a room type with low availableability. There are plenty of other rooms that may be more preferable to you available at that same price. Reporter: Consumers checkbook says while you can't always count on it usually the closer you get to your stay prices will likely go gown. The exception if there is a major event at your travel destination is when you see prices spike so tend of the day do your homework. Go online. Look at the hotel websites and look at the individual ones and compare the two. Great advice. Something we all end up doing. We do. We will go to Cecilia.
This transcript has been automatically generated and may not be 100% accurate.