Obvious question, tax too much? (8)

I believe the answer is:

overtask

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

'tax too much?' is the definition.
'overtask' can be an answer for 'tax' (thesaurus). I'm not sure about the 'too much?' bit.

'obvious question' is the wordplay.
'obvious' becomes 'overt' (similar in meaning).
'question' becomes 'ask' (asking a question).
'overt'+'ask'='OVERTASK'

Can you help me to learn more?

(Other definitions for overtask that I've seen before include "Expect too much" , "Tax unreasonably" .)

I've seen this clue in The Independent.

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.

Connecting...