Data-driven marketing was once the specialty of the direct marketer. Today, all marketing is driven by data. If your marketing isn’t backed by accurate data, you won’t be successful. Haines is your single source for complete, reliable data-driven marke... There is no dedicated opt-out or suppression tool for the property/owner data Haines compiles and sells as sales leads \u2014 the policy only offers a generic contact page (or account settings for registered customers) to request access, correction, or deletion. Expect to state your request in writing and follow up, since no response timeline or verification process is described, and Haines may retain data it claims a legal basis to keep.