BOLD QuickBooks Sync PRO

If I could vote 0 stars.. I WOULD. For lack of a better word, this app SUCKS. It's the slowest things since dial-up and when you try to re-map or make a change with the sync, half the time it doesn't even load. I've been literally trying to switch a SKU mapping for two items. A SIMPLE AND QUICK TASK, and it has taken 3 days since the mapping won't load. And when it finally does, when you hit "edit" to change it, NOTHING HAPPENS. What a piece.