What to do to prepare for flight training

My goal is to save about 75% of the cost of flight training (assuming about 60 hrs) which will take me about 4-5 months. In that time I want to prepare as much as possible. Im already doing sportys online ground school. I also plan on doing some reading like pilot handbook of aeronautical knowledge and FAR/AIM. Past that I dont know what else I could do to prepare. I know alot of people talk about chair flying but have also heard thats not something you do right away. Any advice is appreciated thank you.