Here's something from your own country:

https://www.moneysmart.gov.au/scams/investment-scams

What a scammer will say to get you to invest

The scammer will offer you:

• High, quick returns and sometimes tax-free benefits - CHECK
• Share, mortgage or real estate investments, 'high return' schemes, option trading or foreign currency trading - CHECK
• No risk or low risk investment, as you can sell anytime, get a refund for non-performance, have insured or 'guaranteed' transactions or swap one investment for another - CHECK
• Inside information, the opportunity to invest before a public float or discounts for early bird investors - CHECK