Honest reaction after a week of use: Bounce rate stayed under 4% on a 1,000-contact email send. Bought it to map sferra locations united states density across United States. One column I'd add next refresh: secondary email.
Live-tested 30 random rows before committing. The phone column was live for 95% of the rows I tested. Bought it to underpin a United States sferra locations united states campaign. Will be the default vendor for us now.