Simplify the following text for a Grade 7 native English-speaking person.
Original: Chekhov had to pay for his own education , which he managed byâ '' among other jobsâ '' private tutoring , catching and selling goldfinches , and selling short sketches to the newspapers .
Simplified: Anton Chekhov had to pay for his own education . He paid for it by tutoring ( teaching ) other students , catching birds and selling them , and writing short stories for newspapers .