Dynamic retargeting in FB

Set up dynamic retargeting is a process with a lot of technical details (scripture of the site, creation of the catalogue on the FB, segmentation of the goods and visitors of the site), while when everything is done and work, the results are pleased.
In this example, after the completion of the retargeting settings only for a week of $12 advertising investments brought more than $2000 extra income. Revenue of investments - more than 160, advertising costs in the structure of sales value - just 0.6%.