iphone 3g , 3gs and ipod touch 2 +

Got these 3 but all have some issues but im sure easy enough to repair iphone 3g only probem is flickering screen sometimes but works and comes with box. iphone 3gs got charging connector changed but now shows white screen so dont know much else n box ipod touch 2nd gen works but cant seem to charge it n screen abit battered Need to get rid n would be a great job for repairs or parts also no returns thsnks