The Importance of Consumables in RFID Implementations.pdf
Consumable components, such as labels or tags and thermal transfer ribbons, are the most important and most costly aspects of an RFID application.  This White Paper examines that importance in the context of the following criteria: 

• Consumables-Criteria for Manufactures and Retailers
• Retail Mandate Compliance Issues
• Tag Reliability Considerations
• Changing RFID Standards
• Importance of Printers
• Label Construction Factors
• Thermal Transfer Ribbon Considerations
• Vendor Characteristics to Consider and Conclusions - Are you Ready?

Comparing Barcodes and RFID Tags.pdf
While there are similarities, some noteworthy differences between a bar code system and RFID may be the factors to determine which is better suited for your needs.   The right solution for your application will depend on whether your situation better aligns with the capabilities and attributes associated with each data collection technology.