1. A method for providing an investment structure, comprising: receiving funds to be invested; investing a first portion of the funds in a fixed component generating principal plus fixed interest; investing a second portion of the funds in a contingent component generating contingent interest, wherein the investing the second portion step includes using one or more limited partnerships, limited liability companies, corporations or other limited liability entities for investing the contingent component; re-investing at least a portion of the fixed interest in the fixed component; and re-investing at least a portion of the contingent interest in the contingent component.