When it comes to wealth the concept of relative value is more important than most of us have come to believe but being aware of the link may prove very important to preserving your wealth and "buying power" in the future. This is important because we exist in a world where the state of real value is always dependent on, or determined by a commodity or an item's relationship to something else such as supply or demand.
An issue that should not slip by unnoticed is that both debt and a number of paper assets has grown massively over recent decades and especially in recent years. The material world of tangible items by its nature has been far more restrained in its growth, this sets us up for massive inflation in coming years. More on this subject in the article below.