The Megalodon shark popularly known as Amazon is circling Australian retailers - and they've got nowhere to hide. The online shop's imminent launch in Australia is going to have a significant impact on local retail - and some will be bitten worse than others. Here are the businesses that are set to lose the most, according to the latest analysis from UBS.

Price matching is one of the easiest ways to score yourself a discount at retail. Do your research, find the best possible price you can and march into the store with your dollar-saving knowledge. But this little Google Chrome trick makes it exceptionally easy to deceive retailers about exactly how much a product costs at other stores.

I wish I knew this when I was working in retail.