Quick Online Product Updates

I need help spending roughly three focused hours inside my e-commerce back-office updating existing items. The task is straightforward: check each assigned SKU, upload the correct product photo, make sure... (Budget: ₹100 - ₹400 INR, Jobs: Content Management System (CMS), Data Entry, Data Management, Data Processing, Excel, Inventory Management, Product Management, Web Development, Website Design, Website Management)