Never Buy Fertilizer Again

There are numerous studies regarding this subject and this is but one of them. The results were obvious rather quickly. This is the link to part of the study run by Michigan State University. https://www.youtube.com/watch?v=XE_z2X98a_Y
Finally beer is an investment!

This is where the books I haven't even tried to sell until now currently reside.
https://www.amazon.com/R.-Hawkins/e/B0157D6F76/ref=ntt_dp_epwbk_0