I recommend maxing out all of your government-insured savings plans(CDs, IRAs, Roths, etc).
If you still have money left over to invest, and you don't want to personally manage the investments yourself, I recommend buying an index fund.
As far as entrepreneurship goes, it depends on what you want to do and if there is a market for that particular product or service. What kind of business do you want to start?
I have an IRA and annuity. As I said, I'm past that. The strategies I'm talking about are for people like me