At Myer
"Complimentary Standard and Big & Bulky Delivery on purchases from Myer online (myer.com.au) and Myer stores within metropolitan Australia"; tier thresholds per s5.1: Members "$0 and up to $749.99", Silver "$750 and $2,499.99", Gold "$2,500 or more", Platinum "by invitation only".
Perkroo lists the perks the memberships you already hold include — sorted by what’s nearest to you.
Perkroo is an independent Australian app. Myer are named for identification only — Perkroo is not affiliated with, endorsed by, or partnered with them. Offers change at the provider’s discretion; check the linked page before relying on one.