When should I lock in Cyber Monday partnerships?

As an e-commerce business owner preparing for the critical Cyber Monday sales period, I'm looking to understand the optimal timing for securing strategic partnerships that can amplify my holiday season revenue. I want to know when to start outreach, what factors to consider, and how to create mutually beneficial collaborations that can help me stand out in an increasingly competitive digital marketplace. My goal is to lock in high-quality partnerships that provide genuine value to both parties and maximize my sales potential during this crucial shopping event.