I also like to see some shellac on the belly side of stave will prevent some cracks later on ,,also inquire about some type of warranty ,about what happens if you start working it and discover an unseen flaw,,,,also check staves for scorching I have seen staves that have been heated and straightened,,while still in stave form,,hope these tips are helpful,,anyone have anything to add please do,,i am sure I can think of more later,,