Your analysis is flawed and biased in favour of Woolworths! If you take products that households are most likely to buy, not the "nice to haves", then depending on the items (say 7) the average increase is closer to 20%.
For example, take 1) white seedless punnet; 2) Tangy mayonnaise, 3) braised...
I use Rocketnet as my ISP provider - for some reason they are never one of the options to choose. Vumatel is the fibre connection provider and between the two I have excellent service. I have a 100MBps uncapped line.