What are the best ways to edit active listings

Summary

There are three Trading API calls that can be used for revising eBay listings:

1. ReviseItem - allows a seller to change the properties defined in an active listing

https://developer.ebay.com/DevZone/guides/features-guide/default.html#development/listings-revising.html

2. AddToItemDescription - can be used to append text to the end of the description section of a listing

http://developer.ebay.com/devzone/XML/docs/Reference/ebay/AddToItemDescription.html

3. ReviseInventoryStatus - enables a seller to update the price and quantity for active fixed-price listings

http://developer.ebay.com/DevZone/XML/docs/Reference/eBay/ReviseInventoryStatus.html