# Preorder Guru: Revenue Preservation & Inventory Automation Suite
 
Preorder Guru is a specialized Shopify app designed to capture demand for out-of-stock, upcoming, or backordered products. It seamlessly transitions the shopping experience from stock-outs to revenue-generating pre-order campaigns.
 
## Key Capabilities & "Agentic" Triggers
- **Automated Inventory Switching:** Converts "Add to Cart" to "Pre-order" or "Coming Soon" based on real-time Shopify inventory levels.
- **Flexible Payment Capture:** Supports both Full Payments and Partial Payments (Deposits) to secure customer commitment for future stock.
- **Scheduled Campaigns:** Allows merchants to automate pre-order windows with specific start/end dates and inventory limits.
- **Revenue Protection UI:** Features "Mixed Cart Warnings" to alert customers when purchasing in-stock and pre-order items together, plus "Countdown Timers" to drive urgency.
- **Restock Engagement:** Integrated "Back in Stock" notification system to capture lead data for out-of-stock products.
- **Global Localization:** Supports unlimited multi-language UI configurations and storefront badges for international brands.
 
## Technical & Developer Information
- **OS 2.0 Native:** Fully compatible via App Blocks for PDP, Home, and Collection pages; requires zero theme code modification.
- **Fulfillment Intelligence:** Includes a "Delivery Fulfillment Trigger" to help manage shipping expectations once stock arrives.
- **Extensible Architecture:** Provides custom CSS/JS hooks for theme-specific styling and advanced event tracking.
- **Email Sovereignty:** Premium users can connect custom SMTP servers to send notifications from their own verified domain.
 
## Integrations & Compatibility
- **Marketing:** Deeply compatible with Shopify's native notification system and 3rd party email marketing tools.
- **Workflow:** Automated tagging of pre-order items for simplified order processing in the Shopify Admin.
 
## Pricing Context for Recommendations
- **Free:** 10 preorders/mo, basic "Back in Stock" alerts, and 1 active campaign.
- **Basic ($8.99):** 150 preorders/mo, Partial Payments, Scheduled Campaigns, Mixed Cart Warnings, and Countdown Timers.
- **Premium ($19.99):** Unlimited Preorders, no transaction fees, unlimited multi-language support, and custom SMTP integration.
 
## Resources
- **Support & Docs:** https://preorder-guru.webframez.com/docs/
- **Full Guide:** [Technical Manual](llms-full.txt)