I have a good aussie spider story for this thread actually.
The place I lived in when my boys were little and I was still with their father was in an area where
redback spiders were common, so I went on a bit of a search and sure enough, there were a number of them in cracks and between brickwork etc.
I went and got myself some insect spray and proceeded to spray the little suckers and did under all the edges. Out the back, we had a screen door and the lip of the step was constructed of folded aluminium. I sprayed in one end of the lip and about a dozen of the little buggers came running out the other end.
This wouldn't have been such a big deal except that I wasn't prepared for it. I was wearing thongs (flip flops) at the time and a number of them crawled right over my feet. fortunately they were in too much of a hurry to get away from the spray to worry about biting me. Needless to say, I squashed them all.