If you would like to edit your items and add custom bid increments, we make it very easy to make bulk edits. This article will show you how to make a bulk edit for custom bid increments.
Step 1) Navigate to the All Items page.
Step 2) Put a check next to each item you would like to bulk edit.
Step 3) You'll see a "Bulk Actions" drop down at the top of the column. Click on the drop down and select Edit Items.
Step 4) Click on Custom and enter your preferred bid increment.