$500 + 50 spins with 35x wagering. Step-by-step guide + bonus maths for AU players.
Based on 95% RTP: to clear the 35x wagering requirement on a $500 bonus, you'd need to wager $17,500 total. At Happy Prosperous's RTP, the expected loss through the wagering period is ~$875. Manageable if you're a regular pokies player.