Spring Carnival is the highlight of the racing season in Australia. It started last weekend with Memsie Stakes Day (September 2nd) and runs right through until the Sandown Classic on November 18th.
Spring Carnival is typically the most competitive time of year for corporate bookmakers, particularly with football finals on as well. The competition leads to marketing wars, as bookmakers try to capture new punters and retain existing ones through weekly offers.
For a savvy punter, these promotions can be used to your advantage through a technique called matched betting (or promotional arbitrage). Plus, Spring Carnival is the best time of the year to participate.
Bonus Money, a site dedicated to matched betting, offers a free Spring Carnival guide that includes a calendar of all the offers and the various ways to potentially profit from them.