Here's a detailed breakdown of what to consider for an app that combines Point of Sale (POS), Inventory Management, and Customer Relationship Management (CRM). Development Framework Modular Design: This approach is essential for an app with POS, inventory, and CRM functions... (Budget: $250 - $750 USD, Jobs: API Development, ASP.NET, Cloud Computing, Django, Inventory Management, Microsoft Azure, Node.js, Payment Gateway Integration, Point of Sale, React.js)