They knew our HTS codes better than our broker did. After 20 minutes I knew we'd find at least $2M.
The savings model arrived two days later, indexed against our actual entries. Most vendors send a deck. This was a spreadsheet I could defend in front of my CFO.
They told us in the first call that our zone wasn't big enough yet to justify their fee. Most software companies wouldn't say that. We came back two years later when it was.