Actually more stable than I expected. I mounted a 75" TCL TV on it. I couldn't mount it at the highest position and still get through 7ft door frames, but with the top of the TV at about 6'-6", is seems pretty stable for rolling around indoors. A large TV outdoors in a stiff breeze might be in trouble though. The middle shelf is a little weak for a laptop, but it holds a mini media PC just fine. I was surprised to find the cords can be routed all the way down the tubes. I'd buy another one of these if I had the need.