What is the best way to sell my broken iphone?

i have an iphone with a broken home button, no vibration, and the power button is half broken ish. first of all, does anyone know any ways i can get this fixed or what is wrong with it? and second, i want to sell it, should i get it fixed and then sell it for a better price? or sell it for about 150 broken on ebay?
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Sell Damaged Iphone