You can only load via qantascash.com using BPAY or POLI, or via your bank using BPAY, and unfortunately all loads take 2-3 business days to be processed.
Sorry if this has been posted already. QF planning to increase the speed of transferring money onto the card.
“We plan to introduce a much faster load time in the next few weeks” says Stephanie Tulley, Chief Marketing Officer for Qantas Loyalty, who described the existing waiting time as “a pain point for members.” Qantas Cash card to get faster reloads - Flights | hotels | frequent flyer | business class - Australian Business Traveller