I think Airtable would be more suitable than Excel, as it will be more dynamic.A simple restructure should give you the results you want. Link the tables using the below structure (more or less).Contact List <-> Price List <-> Media PlanContact List ...

I hadn't noticed that before. Now I can't unsee it!

I believe what you want is should be easy to do.Based on the screenshot you share you want to add 2 new Lookup Field columns that pull the prices from the Contact List to the Master Media Plan. From there a Formula Field will do the math.I do have a ...