If let`s say 1-2 hours/day, a few months later you could start and understand basic conversation, and once you are learning in a suitable and right way, that will increase your interest as well as passion for insisting on. Then all you need to do is to keep involving new knowledge/local expression/structure (including cases that same words but different meaning)..,setting your goal in a certain period and making pregress gradually
Pay attention to foundation (tones, pronunciation of Pinyin, interest of Chinese Characters) when you start, will helps a lot to build your confidence and make the following learning much easier~ Good Luck~