If you want to use Content Egg offer module, but you want to have also Price update, you will need to set Xpath.
There is one universal Xpath which is working for most of sites. If you have no Xpath skills you can try it
.//[@itemtype='http://schema.org/Offer']//[@itemprop='price']%DELIMITER%.//[@itemtype='http://schema.org/Offer']/[@itemprop='price']%DELIMITER%.//[@itemtype='http://schema.org/Offer']/[@itemprop='price']/@content
Here is also more complex tutorial to get Xpath
We recommend to add xpath to general settings of Content Egg, in this way, you don’t need to add it to each offer separatelly
