1. In the SalesVu app touch the 'Settings' button (looks like a gear)
2. Touch 'Launch SalesVu.com'
3. Touch 'Features'
4. Touch 'Settings'
5. Touch 'Tax Management'
6. Touch 'Edit' next to 'Default Tax'
7. Change the name (or leave it at default) and tax rate
8. Go back to the SalesVu app and touch the 'Settings' button again and then touch 'Sync with SalesVu.com'
All new products created from the app or from SalesVu.com will the default tax added by default (but it can be changed).