Hi there, So sorry to hear you are struggling. One person I know that is passionate about helping NZ businesses with this is Robett Hollis. https://robett.com/ He is an global industry expert and Native NZ. Check out his social media blue print. https://robett.thinkific.com/courses/2020-Social-Media-Blueprint
While there is no fast/easy solution to having your campaigns and email marketing work quickly to produce the results you need for your business, this resource will point you in the right direction and there are many more he may be able to offer if you reach out to him on Linkedin. Hope that helps. Cheers!