Ran the CSV through our deduper first. Catchment overlap with our existing CRM was minimal — almost all net-new leads. Bought it as the seed list for a grocery store outbound push in Czechia. Money well spent.
Ran the CSV through our deduper first. Bounce rate stayed under 4% on a 1,000-contact email send. Bought it to underpin a Czechia grocery store campaign. Recommended.