If you are on the professional selling plan the answer is yes to both. If you are on the individual selling plan then it's no to both.

Here's what to do:

1. Download an active inventory report.

2. Download a blank Price & Quantity template file.

3. Copy and paste SKU and Quantity from (1) to (2).

4. In (2) enter price, min price and max price for each SKU.

5. Save as a txt tab delimited file and upload