Look up /r/personalfinance, /r/fire, /r/fatfire.

Be aware that it is unreasonable to expect returns higher than ~5.5%/year over inflation — and that is if you're really prepared to lose 50% of the value of your assets and not have them recover for 10-15 years. If you are being offered higher returns, it is very likely you are not fully aware of the risks you are taking on.