## Description Build real-time cost estimation and pricing comparison tools. ## Tasks - [ ] Implement real-time BSV price feed - [ ] Create storage method comparison - [ ] Add bulk upload discount calculator - [ ] Build cost prediction models - [ ] Implement currency conversion (USD/BSV) - [ ] Create pricing simulator - [ ] Add historical cost tracking - [ ] Build ROI calculator for NFTs ## References - PRD Section 3.4: Cost Calculator - Multiple storage methods with different costs ## Priority: Medium