Weekly Sales Data Excel Updates

I maintain a master Excel workbook that tracks our sales performance, and I need it kept perfectly up-to-date. The data you will work on is strictly sales-related; every week fresh numbers come in and some product attributes change, so accuracy and consistency are critical... (Budget: $30 - $250 USD, Jobs: Article Writing, Copy Editing, Copywriting, Data Management, Editing, Excel Macros, Excel VBA, Microsoft, PDF, Word)