Real-estate agent Trenton Miller, 19, had no luck with boring walk-throughs of houses for sale. He started running through homes for "speed tour" videos, which get millions of views on TikTok. It's chaos from the very start when Trenton Miller swings open the wooden doors of a four-bedroom home in McLean, Virginia, a suburb of Washington DC.

Miller, a 19-year-old real-estate agent, takes the viewer on a frantic jog through all three floors of the $3.4 million property. He plays rock-paper-scissors with himself in the mirror, pretends to have a distressing trip to the toilet, and falls not once, but three times, on the hardwood floor.

Miller calls it a speed tour. For the recent high-school graduate, it's become an important calling card as he starts his career in his hometown of Chambersburg, Pennsylvania, a small county seat west of Gettysburg. In a stagnant real-estate market , Miller, like other agents, has been forced to get creative to make his listings stand out and find potential buyers.

Enter the speed tour. Now, other agents have asked Miller to film his run-throughs of their listings, some even paying as much as $1,500 for a single speed tour posted to his account @trent_miller__ , which has 1.3 million followers.

"It's been a blessing," Miller told Business Insider. "I really want to make sure I capitalize on the opportunity." Miller started posting 'speed tours' when he was feeling stuck Miller intended to invest in rental properties, inspired by real-estate entre.