How does Fishbowl Inventory work?

We've discovered what appears to be a significant shortcoming in Fishbowl. They call it Fishbowl for Quickbooks, but it gets out of balance with Quickbooks regularly, even though the only journal entries into Quickbooks are made by Fishbowl itself. We are guessing the out of balance condition has to do with rounding. We asked support about it and for a mere $2,500, they say they will look into it. NO! If you're supposed to be Fishbowl for Quickbooks, your product should sync with Quickbooks without our having to cough up a significant amount of money to get you to figure out what the issue is.

Fishbowl is a functional materials management system. It allow you to purchase and inventory, parts for direct sale or assembly into higher level finished goods. Fishbowl includes a manufacturing module which allows you to create Bills of material to Assemble and Dis Assemble components. Fishbowl allows you to track your raw and finished goods with serial numbers. Fishbowl manages your Customer returns and interfaces with common shipping software to find the best shipping rates all from within the system. All fishbowl transactions can be interfaced to an accounting system with the default being Quickbooks.