Just saw this appear on my Flybuys offers, can't remember getting an email about the offer though… Annoyed as didn't about $4000 today! Also couldn't find it posted, if my searching skills are bad please report to remove the post.
Will be targeted so best to login directly to your Flybuys account and see if the offer is there. This isn't activated through eBay.
Full T&C:
BONUS POINTS offer available online at ebay.com.au from Fri 15 Mar and Thu 21 Mar 2019.
To qualify for this offer you must activate the offer and shop online within the dates specified. flybuys points will be awarded on eligible items purchased at ebay.com.au and paid using PayPal or a credit card at checkout (all credit card payments must be processed by PayPal).
Points will not be awarded on postage, delivery or other ancillary charges not included in the eligible item price.
Up to 20,000 points can be earned per transaction during the promotional period.
Some item exclusions apply, including: Services (316); Tobacciana (593) (except 'Tobacciana > Lighters' (951)); Cars, Bikes, Boats (9800); Tickets, Travel (11,730); Formula (20,403); Bullion (178078); Gift Cards (184,609) and all items sold by the following sellers: Woolworths Supermarkets; Dan Murphy's; Big W; Cellarmasters; WineMarket.
5x POINTS equals 1 standard flybuys point plus 4 flybuys BONUS POINTS per $2 spent. Bonus points will be applied on all eligible purchases during the offer dates.
You have been specifically selected for this offer and it is not transferrable. Bonus points collected during the promotion will be credited to qualifying members' accounts within 4 weeks of the promotion end date. Standard flybuys terms and conditions apply and are available at flybuys.com.au. Images used are for illustrative purposes only. 10044949
Think that might be from a Shake and Shop or whatever it is called?