Please know that Wholesale Inspector has its own support desk.  You can email them at for tech issues.

Now, when you are uploading a supplier file to Wholesale Inspector, you have a few mandatory columns, and you have bring in some optional columns.

You must include the following columns:
1) UPC, EAN, or ASIN (required)
2) Cost (required)
3) Supplier SKU (required)
4) Supplier Title (required)

You can then add a few custom columns by mapping those columns to the custom columns:
5) Custom 1
6) Custom 2
7) Custom 3

Some examples of custom columns you might want to bring into the results?  MAP pricing, Quantities available, any Online Restrictions, etc.

If you are not a current user of Wholesale Inspector, you can get a free trial at