I have noticed that when i am modelling i often get overlapping faces or duplicate faces by just drawing a line through a face. It is quite irritating and ends up costing me more time when i have deadlines for projects. The other issue i get is that sometimes i can’t snap to edges properly as if there is something in between the line tool and edge i am trying to select. I’ve checked and saw no hidden objects, my edges are on in the styles settings. Also, when i group something like a simple rectangular block for example then try to open the group by triple click the face - it seems to select through the objects. I am not in xray or wire frame mode. I have no idea why it happens.