This is just my point of view and it is possible I could be wrong, but I think you can be binary transgender without necessarily transitioning all the way. I thought being transgender was more about your own gender identity than the amount you have transitioned towards a goal. Please forgive me if I am mistaken. However, I do see your point of view. It seems like you are thinking more or less about the lengths which one is willing to go in order to fully feel themselves. It depends upon the semantics of the conversation, but assuming transgender is about identity, one may identify as binary but not wish to fully transition. I think most binary female want SRS but live with what they have due to the difficulties in obtaining it. Because it is difficult, at some point you have to accept and move on until a later opportunity arises.