Not finding what you're looking for? Don't hesitate to contact us!
Before posting questions in the forums, please be sure to read the FAQs by clicking on the FAQs link in the sidebar product menu. You must be logged in and have a valid subscription to access the SUPPORT FORUMS.
1) RETS is a web service. FTP means you need to download and parse a flat file (usually csv).
3) generally RETS is better. As a web service you have more options on how to deal with it, and you can query for only items changed or added rather than having to grab the whole MLS dump file every time.