Principles of financial product synthesis from a few basic financial products constitute an interesting research topic inspired by Islamic finance. We make an effort to answer general questions that should be answered before starting to investigate the main issues concerning this topic with the formalization of financial products and principles of financial product synthesis. We also outline the outcome of some preparatory explorations, which have been conducted with the purpose to form a reasonable preliminary picture of the details of financial products that are relevant to the study of the principles of financial product synthesis.