Each withdrawal will require a processing fee of USD 20.00 (inclusive of GST).
Related articles:
How do I withdraw cash?
https://help.stackermarket.com/en/articles/6098855-how-to-make-a-fund-withdrawal-from-my-account
How long does it take to receive funds from a withdrawal?
Can I wire my funds to a different bank than the one I funded with?
Is there a maximum withdrawal amount?
http://help.stackermarket.com/en/articles/5355804-is-there-a-maximum-withdrawal-amount