Amazon’s Prime Day 2018 became the biggest shopping day in its history, beating out Cyber Monday and Black Friday, resulting in a whopping 100 million products sold and an estimated $3.4 billion in sales. With the July event continuing to expand both on and off Amazon, it is critical for retailers and brands to have a strategy in place to win this year’s Prime Day, even when you’re not Amazon. Here are four ways to help retailers have an Prime Day strategy of their own.