false advertising
Lecturers who sell sideline training courses are often eloquent, but in fact they are typical of selling dog meat.
Spend money to listen to others talk about sideline training.
Many people have launched a series of so-called sideline training courses online, and often need to buy annual cards, large and small 100, in order to read them all. They have a glib tongue and are of no practical help to us.
There is no free lunch.
There is no such thing as a free lunch. Only a few people can say yes and succeed. These so-called training instructors are often the reasons why many sideline training courses are promoted on various platforms.