# COST 8  How do you plan for data transfer charges?
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Ensure that you plan and monitor data transfer charges so that you can make architectural decisions to minimize costs. A small yet effective architectural change can drastically reduce your operational costs over time. 

**Topics**
+ [COST08-BP01 Perform data transfer modeling](cost_data_transfer_modeling.md)
+ [COST08-BP02 Select components to optimize data transfer cost](cost_data_transfer_optimized_components.md)
+ [COST08-BP03 Implement services to reduce data transfer costs](cost_data_transfer_implement_services.md)