No cooking required:

Taka's Kitchen in Fremantle and Perth CBD; Japanese. About $9-10 for very filling meal. ~5min wait. ~5min walk from Perth Busport, ~2min walk from Perth train station.

Annalakshmi in Perth Foreshore; Indian. Pay-what-you-want; can go back for multiple servings. Good vegetarian options. Note: please pay the full amount you can afford, so that poor people can continue to eat there. No wait. ~5-10min walk from Elizabeth Quay train stop.

Govinda's in Northbridge; Hare Krishna. Weekdays after 3:30pm: $6 takeaway curry (very full standard-sized transparent plastic takeaway container). Good vegetarian options. No wait. ~2min walk from Perth Busport, ~4min walk from Perth train station.

Cooking required:

NP Carousel Supermarket in Cannington. Unusually cheap ingredients.

You can often buy huge sacks of rice for very cheap from Asian supermarkets like Tran's Oriental in Northbridge/North Perth.

The directors and shareholders of Coles and Woolworth profit by taking the surplus labour value of their workers. Self-checkout machines only know about what is scanned or placed on their scales. Usually, only one side of the machine has scales. It's difficult to see any items in a shopping bag except the ones at the top. During peak hour, there are many shoppers loading and unloading their bags at once, and often only one or two staff members helping self-checkout shoppers. It's normal to place items in your shopping bag while shopping, and it's normal to walk out with your shopping bag after going through self-checkout.