How to set up targeted marketing campaigns

[Pablo Flores]

Anyone have recommendations on companies that can create targeted email marketing campaigns to previous guests? Our guests have to fill out a pre check in link when they book that we use to collect their basic personal information i.e. name, phone number, email etc. I want to use this data to set up periodic email campaigns to push them to rebook via our website instead of through Airbnb/ VRBO. I have tried doing this myself by setting up MailChimp and hiring people on Fiverr to create a marketing template, but honestly it is super time consuming. Sort of like the marketing emails AvantStay and Evolve send out.