Can I teach calligraphy for free when I open a teahouse?

Of course. According to China Civilization Network, it is legal to teach calligraphy for free. Opening a teahouse to teach calligraphy for free can not only increase performance but also inherit the traditional culture of the Chinese nation. Some calligraphy training classes are very expensive, so some calligraphy teachers started free calligraphy training activities, which greatly improved the popularity of calligraphy.