There are many forms of advertising you can do to promote your business online. The most popular are Instagram, Facebook and Tik Tok advertising (paid and free posts).
Another important way to promote your products or services that you can do is email marketing.
It allows you to easily design the newsletter and offers different templates. Very easy to drop in text and photos.
MailChimp is an email marketing tool that allows you to send emails to hundreds or thousands of recipients all at once.
It is essentially a tool you can use to create and manage mailing lists and newsletters, as well as automate your email campaigns and collect leads.
It is also free to use for up to 2000 contacts.