Aunt Chelo usually buys fruits.
We use the present continuous with time expressions such as: now, at the moment, at present, today, tonight, this morning/afternoon/evening, this week/month/year & while. These time expressions have the following basic positions: At the very end of a sentence, that is in the complement.
The most common time expressions in the present simple are: usually, always, never, on Wednesdays, every Wednesday, twice a week, once a month,