Forget about Haosha. People of the landlord's mother's age are definitely not willing to spend that money.
If there are parks and gardens near your home, there must be people practicing Tai Ji Chuan there. In a larger community, you will find many people practicing Tai Ji Chuan in the morning. As long as it is provided for them to study, these people will teach for free. Many parks have Tai Ji Chuan tutoring stations, and tuition fees are generally in 20 yuan -50 yuan.
There are many Tai Ji Chuan activity stations in Zizhuyuan Park. If you think the distance is not far, you can go there to study.