Will give it a 5 for how the finished product looks. The construction took a bit with the sofa because of it length. The love seat I put together first and with the help of my son got it together in about 1 and half hour. Putting the sides  together took the longer because the 3 holes must line up perfectly with the screw holes on the sofa frame where the side mount too. It works best with 2 people and the frame upside down on the floor. Gives you access inside the frame where the screws go into. It was back breaking for a 58 year old but its doable.  So far we like it.