Marketing Strategies Podcast Episode 34 Product Review and Deep Dive: Mailchimp Email and CRM System. Regardless of the CRM system you choose (and there are a lot out there), include Mailchimp in your warehouse of marketing tools. We love Mailchimp because, out of all the systems we have tried, they are the simplest to use, constantly add new features and benefits, their support is out of this world and the pricing is perfect for startups and established businesses.