Buys tea in bags (9)

I believe the answer is:

purchases

I'm a little stuck... Click here to teach me more about this clue!

'buys' is the definition.
('purchase' can be a synonym of 'buy')

I don't understand the remainder of the clue.

(Another definition for purchases that I've seen is " commodities".)

I've seen this clue in The Times and The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.