Of these, I think waste disposal is under-appreciated as far as moats go. The environmental concerns are real, and regulatory burdens / costs constitute large barriers to entry
For new folks, my mantra on moats https://twitter.com/lhamtil/status/1207670357324382208?s=19
I believe $SHW is classified as a specialty chem. It fits this description; the actual paint, as i understand it, is a small cost of a paint job, so pros are not likely to opt for a cheaper substitute as it may require more coats, and thus use more time, & so eat profits
You can follow @lhamtil.
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