Burial Plots as Investments?

[Juan Carlos Castillo]

One of my old bosses is a very successful man I look up to in terms of his business and real estate. During my last days at the company he realized I was trying to get into real estate and gave me a piece of advice that said helped him out a lot when he started out 40 years ago.

Burial Plots. 

Has anybody bought and sold burial plots? I know a lot of people are getting cremated now, but could this provide good returns? Whats the hold time on something like? Is this something I would have to advertise for sale on a site like grave solutions or would I just hold it till someone random person knocks on my door asking if I'm interested in selling?