This is the one of the best I have ever brought. Really easy to put together. Instructions was really easy to follow. I went from small double to king size and took me 3hrs on my own due to suffering bad back I thought I did really well. 
Got new mattress as well from different companies. It perfect for what I really want. It hard and sturdy no creaky or squeaky noise. You just got to make sure you tight them up properly or otherwise you will have a issue. 
What a bargain. Thanks wayfair