macbook 12 loose hinge

I bought a used Macbook 12 2015 to replace hp cx0055ur since it was heavy and often broke. So, having bought a macbook, I found that the screen is very loose and almost does not hold. I wanted to repair only a loop in the service center, but only the whole lid with a display is sold at a price of $ 447, now I don’t know what to do (

They say it will not work out as it is whole (