I need to overhaul several workbooks that currently depend on VLOOKUP / HLOOKUP to pull information across multiple sheets. The formulas have grown messy and slow, so your first task is to audit what I have, rebuild the lookup logic, and make sure everything recalculates cleanly... (Budget: $8 - $15 USD, Jobs: Data Analysis, Data Entry, Data Management, Data Processing, Excel, Excel Macros, Excel VBA, Visual Basic)