BigTopShirtShop.com review for Mailchimp Email SMS Marketing

Glitch in app that can cause wildly inflated bill. Reported the issue to mailchimp who said there is no way to prevent shopify from unarchiving currently archived contacts. For us that meant a one day spike in the number of our active customers. That meant a bill that went from just over $100 a month to over $800 for a month. Watch out for this glitch or you may be overcharged yourselves.