Complex sentence: As a solution, Homer gets a mobile phone and a few extra unnecessary accessories, which only leads to him not paying attention to where he is driving, until it is much too late and he drives off a pier.
Split into simpler sentences: As a solution, Homer gets a mobile phone and a few extra unnecessary accessories, which only leads to him not paying attention to where he is driving. That is until it is much too late and he drives off of a pier.