Entrepreneur | Founding Partner @ MailGenius.com | Top Rated Email Deliverability Expert on Upwork | Helped over 150 clients and companies to maximize their revenue with email. | Developed a holistic process that encompasses all facets of email marketing from strategy to copy and tech.
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If your product is B2B I highly suggest creating a targeted outbound campaign. You can do it all on a super cheap budget too. You can setup a G Suite/Gmail account for $5 a month and use a tool like Mailshake for under $20 a month and you have a few different options for getting data/emails! Tell me more about your product and Ill jump on a free call to give you some more strategy/direction.
There's several ways to go about this. I personally suggest Upstack.co if you're looking for elite developers and have a decent budget in place. We also offer a 2 week trial to make sure the developer is a good fit!