I love Milo and happily drink it by the truck load so when it's on sale, especially for the extra value packs, I take notice and Big W have the 1.5Kg pack on sale from 1st of April (better not be an April Fools day joke!) There's $3 off, so take advantage of it!
Milo Energy Drink 1.5kg
$11.98 (Save $3)

Milo Energy Drink 1.5kg
Starts 01 Apr - Ends 10 Apr

link to details:
BIG W Catalogues