Avalara Blog
https://www.avalara.com/us/en/blog.html
https://www.avalara.com/trustfile/en/blog.html
Avalara Tax Rates
https://www.avalara.com/taxrates/en/blog.html
BNA
https://www.bna.com/state-tax-blog/
CCH
http://news.cchgroup.com/category/news/tax-headlines/
Don't Mess with Taxes
http://www.dontmesswithtaxes.com/
McDermott Will & Emery - Inside SALT
https://www.insidesalt.com/category/sales-tax/
SalesTaxSupport.com
https://www.salestaxsupport.com/blogs/
Eversheds Sutherland Salt Shaker
http://www.stateandlocaltax.com/
Sovos
https://learn.sovos.com/blog
Sylvia F Dion - The Internet Sales Tax Weekly
https://paper.li/SylviaDionCPA/1372440375#/
TaxConnex
http://www.taxconnex.com/blog-
The Tax Foundation
https://taxfoundation.org/blog/
Taxify
http://taxify.co/blog/
The Salt Report - Zaldivar and Associates
http://report.saltcpa.com/
TTR
https://www.ttrus.com/news.php
Twitter - list of state DORs
https://twitter.com/StateTaxNews/lists/state-dors