If use the hProduct (which is fully supported by Google) instead of hListing to markup Real Estate properties, what hProduct related properties should we use to replace these 3 properties of hListing: "item-type", "listing-type" and "listing-action"? (e.g. housing offer-sale). Should we use "category"?
For a better understanding and for practical purposes, I provide 2 working examples for usability:
Feel free to copy and modify it along and attach it in your comments and the result should be placed in the right section as implementation example.