Trick-or-treat! Halloween is an extremely fun and broadly-appealing holiday that sees many people celebrating with parties, costumes, and decorations. It’s the official warm-up to commence the holiday season, getting people in the mindset for all the spending that is about to come! Because of its broad appeal, it’s a great holiday for promoting all kinds of different businesses. Party decoration ideas, children’s costumes, pumpkin spice products, DIY projects, and Halloween sales are all very popular Halloween newsletter themes. Below you can find a multitude of compelling examples from a wide variety of different companies and organizations.