Better engagement and conversions

[Jahangir655]

Look for brands that are related to yours, but aren't direct competitors. Perhaps a fitness brand partners with a sportswear company.
Create an offer that makes sense. For example: “Buy both brands and get 20% off.” Keep it simple and clear.
Promote it together. Promote it on social media, through email, and on your websites. Just make sure it looks like a significant effort.
Once the event is over, check how it went. Did traffic or sales increase? Are people talking about it? Use this information to refine your next sales promotion ideas.
Charity Promotions
People like to feel like they're doing a good deed. If you link a purchase to a cause, it's not just a product sale, it's a moment of enjoyment. And trust me, it creates real loyalty.

Example

TOMS based its entire brand on the "One for One" principle: buy a pair physician database of shoes and they donate another to someone in need. It's simple but effective, and customers felt like they were part of something bigger. It's one of those sales promotion examples that really resonates with customers.
Direct communication
Your messages land directly in your recipient's inbox; no need to fight for attention in a crowded news feed. Unlike social media, where information quickly fades, emails remain visible to your audience until they open or close them.

2. Better engagement and conversions
Your list subscribers are already pre-qualified. That's why the average open rate of 21.33% exists for email marketing across all industries, while social media doesn't even come close to engagement rates of 1-2%.