It would seem that other than being a little more automated (giving anyone access to my email however is a deal breaker in my book), this Paribus service wouldn&#x27;t seem to have any real advantages over (what appears to be) a competing service from Citibank: <a href="https:&#x2F;&#x2F;www.citipricerewind.com" rel="nofollow">https:&#x2F;&#x2F;www.citipricerewind.com</a><p>A compare&#x2F;contrast on the Paribus website would be helpful.<p>I see statements that Paribus doesn&#x27;t sell customer data, but on the Paribus blog, I see analytics run against what appears to be customer data.  That dichotomy concerns me.<p>Are there any limits on how often a customer can request a rebate?  What happens if the customer hits that limit?  Will a company &quot;fire&quot; a customer, as can happen to people who return items too frequently?<p>I&#x27;m also surprised to see that Citibank has a patent in this area…