Avoid lost sales with flexible preorder campaigns & backorders. Accept partial pay or $0 deposits. Send back-in-stock alerts to convert waitlists into pre-sales. Auto-collect deferred payments. Email customers about shipment delays/early arrivals. Track real-time performance by product & variant. Perfect for coming soon launches, seasonal drops, presales & made-to-order items with long lead times. Trusted by brands to forecast demand, secure early revenue & avoid inventory holding costs.