Third thing to add: 3) I'd remove the free monthly plan and just say "Free for your first 100 contact replies". This lets people try it out without having to

Third thing to add: 3) I'd remove the free monthly plan and just say "Free for your first 100 contact replies". This lets people try it out without having to think about how many valid contacts they get a month and filters out paying for spam messages. It also changes your conversion point from a monthly trigger to a single one so you can do lifecycle emails as they start getting close to their limit.