There have been some incredibly risky investments over the years. "Toxic" investments can seriously harm your financial health.
The Telegraph recently listed some of its picks for the most toxic investments ever.
They included ostrich farms. The farms were marketed to British investors in the mid-90s during the mad-cow scare. Investors were sold on the idea that as beef became less popular ostrich would become more popular.
Overseas property investments have also proved costly. They are often marketed as being a way to minimise tax, but have been sold at inflated prices with unrealistic promises.
New Zealand's Financial Markets Authority (FMA) says the investments were not inherently "toxic". It is the way they were sold to investors that was the problems. The risks were not clearly spelt out.
The FMA has a page on its website offering advice on how to safeguard your investments and look out for potential trouble.
Watch the video for the full Talk Money segment.