Shopify Troubleshooting & Cost Optimization

My Shopify site has led to a 50% drop in sales. I need an expert to troubleshoot technical issues and optimize costs. Key Requirements: - Resolve technical problems - Reduce overall costs (transaction... (Budget: $25 - $50 USD, Jobs: eCommerce, PHP, Shopify, Shopify Development, Shopify Templates, Web Development, Website Design, Website Optimization)