Compare the following comparative sentences:
"I'd like to go to either Spain or Italy."
"The problem is I have neither time nor money.'
Either is used with or while neither is used with nor.
Either comes after the verb when the two actions mentioned are similar (they share the same verb):
"She wants to play either tennis or volleyball."
Either comes before the verb when the actions mentioned are different:
"She wants to either go shopping or relax in the park."