TheBalance.com has a listicle up on the 10 best retirement investments. Here’s the skinny:
1 and 2 – Play the Market
3 – Not technically an investment
4 – Bonds!
5 – Contact Us (for REI)
6 and 7 – Slightly complex planning
8 – Difficulty: Advanced
9 – More stock market stuff
10 – REI Trust
Full listicle here.