flash sale import:

csv file data:

1, seperate by ,

2, seperate by ;

3, 3 prices :a item has one data, a item has two data, a item has all data and see frontend

4, 3 prices :price less than normal price.

5, one item has data it already exist

6, different store import again.

Edit/Add

1, add item it has already exist.

2, add item it exist in other store.

3, edit price with smallest price than normal

4,edit status to  different status