I've seen a few people mention a-leads positively. Lately, though, trust in these aggregated databases feels like buying a used car from someone who just washed the windows - surface looks decent, but you don't know what's under the bonnet until it breaks down.
Virtual cards are a solid move. Reminds me of the principle in outbound: always test the water with a small batch before scaling. Card security aside, the real lesson here might be about vetting data sources before you let them anywhere near your pipeline. In a world where every lead gen tool promises the moon, the ones that actually deliver tend to be the ones charging enough to care about reputation. cheap convenience often hides expensive friction