Early bird parking deal, like the previous deal https://www.ozbargain.com.au/node/215042, is still active.
As per previous post:
When you book online, use promo code COLLINS10 to pay $10 instead of $13.50 for Early Bird Parking at 699 Bourke/664 Collins Street, Melbourne.
Available:
Mon-Friday - Enter between 6:00 AM - 9:30 AM; Exit between 3:00 PM - 8:00 PM
Conditions: Must book and make payment online with Secure-a-Spot prior to parking. Secure-a-Spot access pin valid for single entry and exit. Additional charges will apply if booking times are exceeded. Not to be used in conjunction with any other offer. Available at nominated car park. Subject to space availability & rate change time without notice. Standard car park and Secure-a-Spot Terms and Conditions apply. Visit www.secureparking.com.au