T.BBD.PR.D vs. T.BBD.PR.B vs T.BBD.PR.CI found a document on the web that talks about what Pierre discussed on the "5 year reset" of preferred shares.
I normally always buy common shares because I'm a pretty common type of guy.
In case it helps people with the selection of preferred shares.
https://www.raymondjames.ca/Branches/premium/pdfs/preferredsharesreport.pdf
Not affiliated with Raymond James at all. I found the URL via google using:
five year reset preferred shares bombardier