The Bill Guard blog
Plain-English guides to contact-based billing — how the tier traps work in HubSpot and Mailchimp, and how to stay out of them.
Stop paying for un-emailable HubSpot contacts. Follow our step-by-step audit checklist to find and reclassify bounced, unsubscribed, and invalid emails before your next billing snapshot.
Read more →Learn the 5 levers to lower your HubSpot bill by managing marketing contacts — from setting non-marketing to forecasting tier crossings. Save without deleting a single contact.
Read more →Learn how HubSpot's auto-upgrade billing works and the only way to prevent a surprise tier jump. Proactive monitoring and non-marketing conversion steps inside.
Read more →How does HubSpot bill for marketing contacts? A clear breakdown of pricing tiers, the monthly billing snapshot, and how one contact spike can raise your bill.
Read more →Learn the critical difference between marketing and non-marketing contacts in HubSpot, how it impacts your bill, and how to avoid paying for un-emailable contacts.
Read more →Learn what HubSpot marketing contacts are, how they affect your bill, and how to avoid paying for un-emailable contacts. Complete 2026 guide with FAQ.
Read more →Learn how to set a contact to non-marketing in HubSpot individually, in bulk, or automatically. Reduce your marketing contact count and avoid surprise bills with this step-by-step guide.
Read more →You don't have to delete anyone to lower your bill. Here's the safe way to trim your billable count.
Read more →Unsubscribed and bounced contacts still count toward your marketing-contact tier. Here's what it's quietly costing you.
Read more →Mailchimp charges on your highest contact count in a cycle — including unsubscribes. Here's how the ratchet works.
Read more →