I am a salesman, too! But not for education! It is difficult to start a business! But insist, as long as there are customers, there will be results! Also, you can open the market first! Is that you don't want to make money yet! Reduce the price of books, first do a good job with customers! As long as there are customers, you are not afraid of no performance! More customers! Your performance is likely to improve! I hope you did well at first! Be sure to persist! Education is mainly promoted in schools! !