its not the starter battery or alternator

What is your question?

when i went outside this morning my car wont start so i cleaned off my battery terminals and it started right up so then when i get to my uncle house i leave it and try to start up it up and it wouldnt start so i push it to the gas station i put some gas in it and it still wouldnt start idk what is . could it be the fuel carbinator,fuel filter what can it be