At Big Dubs right now you'll pay $9.94 for rain boots for the whole family! Men unfortunately only get your bog-standard black knee-high gumboots, but women and kids get ankle boots in a jaunty array of colours.
The women's boots are pictured above (I think the yellow ones are my favourite); they come in sizes 6-10. Kids' boots come in lime green, purple, orange, cobalt blue and yellow, in sizes 10-3.
It might still be boiling hot, but soon enough it'll be raining and you'll suddenly find a hole in your shoe and wish you had taken advantage of this bargain.