Complex sentence: He later obtained abandoned land on his own and transformed it into agricultural land, eventually restoring his household on his own at the age of 20 and achieved considerable wealth as a landlord while in his 20s.
Split into simpler sentences: He later obtained abandoned land on his own and transformed it into agricultural land, eventually restoring his household on his own at the age of 20. He achieved considerable wealth as a landlord while in his 20s.