Sometimes lessons about money can be picked up from some of the most shameful moments of human history.

One of the hardest chapters to read in this book was about slavery. Historical records actually showed what happened at a slave auction. A 27 year old prime cotton planter could be sold for $1200. His wife $900 and young children sold for $200 because they are only productive when they reached adulthood. Slavers were wise and would not allow a slave family to be split up via an auction, but they were less kind to couples who are courting or close friends.

Interestingly, the slave trade in the US can tell us a thing or two about what an ideal investment looks like.

Slavery was lucrative because it powered the cotton economy. Owning a slave in those days was similar to owning a BMW, its a sign that a white slave …