This is mainly a US phenomenon, but it is most likely coming to Australia soon, so we need to get ready. It is the great shortage, the emptying of supermarket shelves. As usual, it is not the shortage of raw materials, but political caused. Part of the US problem relates to container ships bringing goods from China that have not been unloaded, for various reasons, including a Covid-based labour shortage. But the real problem lies in the lockdowns and the society-wide shortages of labour, which is impacting upon supply chains. I am stocking up on vital items like toilet paper now.
https://www.zerohedge.com/economics/they-were-inconvenience-now-shortages-are-really-beginning-sting