How about one investing in them self? What do I mean? How about a small workshop for doing work? How about one's personal library and education? How about the food one consumes? How about a small office within your house? How about buying a small plot of land? How about minimizing the amount of taxes one pays? How about certifications? After a plan of investing in one's self ... What about stocks, bonds, mutual funds, other commercial paper, annuities, insurances, etc.?