Just watched video where he compares Bunnings items between stores less than 10km away.
https://www.youtube.com/watch?v=2EB2FpYNiOs
Prices can vary 30% between stores. Store won't let you get the other store price or even price beat it.
Something to think about if you are spending on items
e.g. compare external door.
https://www.bunnings.com.au/hume-2040-x-820-x-40mm-external-…
Thornleigh $159.25 with Pymble $198. They are 6km apart.
Pymblites can afford it.