Good360 Australia estimates usable retail products worth $1.92 billion go unsold each year, but that figure is expected to skyrocket due to the lockdown. Without charities like Good360 Australia acting as a donations match-maker for unsold product to thousands of charities around Australia, many of these items would simply end up in landfill.
https://www.abc.net.au/news/2020-06-29/charities-save-retail-goods-from-landfill/12397678