When you bid, write how many hours you can devote for work per day. If you don't write this, your bid will be deleted right away.
The project is easy. No need of new programming. You are given the complete code. You just make it work with dataset and run it.
There is another freelancer who have been working as manager and he did a lot of projects with me and has earned more than 1500 in just few months because he was mostly responsive throughout the day as long as he was awake.