Buying index funds is a great and easy way to enhance your personal financial situation – over time. But you will not get rich quickly. So people still seek out alternatives that are incredibly risky and unsound.
We were looking at somewhere to park €50k while we hunt for a house. Growing up we're always told about savings accounts. We should have a savings account, we should be contributing to savings accounts, blah blah blah. So we asked our bank about a savings account, and they offered an annual return of €78. And I don't even mean 0.0015%, but the return is capped so it's not allowed to compound.