If you ' re not watching anymore , do you care about spoilers ? COMIC SPOILERS BELOWthey do make a stable society . That is what they are building towards but it ' s a hard fought thing . They stay at Alexandria for years and create a safe network between three other communities with patrols in the road , trade , and even fairs . It ' s made all the more amazing because of how often we saw them fail at trying this exact thing . <| sep |> And at one of the cheaper state schools , in the engineering school it ' s closer to $ 350 per credit hour . Finishing in 4 years requires 17 credit hours a semester . Seeing as half the classes are engineering this comes out to roughly $ 300 per credit hour or $ 5 , 100 per semester . And again this is a school that consistently gets ranked best education for the value .