errr,.. same problem eh,.... my parent always yell at me everytime i want to leave my pc on before going to school, because " electricity fee is expensive, ", " if you leave your pc it will easy to broken and i won't buy a new one for you " bla bla bla,..
although sometime i leave my pc online to download 10mb+ ...... all i need is lock my room and bring the key with me looool
sorry mom and dad xD