Subaru impreza worth?

hey yall. bought a 2006 subaru impreza outback off fb marketplace. at first everything was great. it looks like a great car. but it's been nothing but a headache. whoever had it before me just didn't keep up with maintenance. right now, i can't afford to fix it because it needs whole new brake lines. they're totally rusted out. would it be worth it to put it up on fb marketplace? what would a realistic price to ask for? (aesthetically, it's pretty prefect. interior has no rips or stains. no visible rust outside)