I bought this treadmill as a birthday gift for my sister who lives in a small condo. My son assembled it for her as I handed him the washers and screws. He said it was easy to assemble only took him 20 minutes including unpacking the product. My sister really likes the treadmill so far She uses it almost everyday. She says it feels sturdy and she likes the variety of choices for workout routines. As it has been less than 3-weeks since she received the treadmill I will update the review if there are any significant changes in its quality or performance in the future.