There are many advantages of choosing Node.js for eCommerce app development. Some significant benefits of a Node.js eCommerce application comprise of:

• Budget-friendliness due to cross-platform support 
• High scalability due to event-driven design 
• Extensive community of developers 
• Plenty of ready-to-use components 
• High-speed data streaming support
• Ability to manage real-time communication
• Optimum speed and performance 
• The shallow learning curve for new developers 
• High-end security and lightweight structure 
• Reusability, flexibility, and high availability