Final answer:
By the end of "Background, Casually," Ezekiel found a way to cash in on the "inner and outer storms" by writing poetry.
Step-by-step explanation:
By the end of "Background, Casually," Ezekiel found a way to cash in on the "inner and outer storms" by writing poetry. In the text, the protagonist expresses his desire to be a successful literary man, stating that being a poet allows for independence and longevity compared to other professions. This suggests that Ezekiel has found a way to channel his inner and outer storms through his poetry, providing him with a means of expression and potentially financial success.