How can I promote my new buisness online with no money to begin?

[Jake]

You can find tutorial on zero budget marketing. Your at the mercy of the search engines ranking your site, this takes time.

Create a site with tangible value, not just an advertisement, 10 pages of tutorials on working at home would attract some search engine attention.

Generate backlinks to your site from a variety of sources, comments on related blog posts that allow dofollow home page links, participate in related forums, adding your link to bio and signature, submit professional sounding press releases to free services, etc.

By the way, Work At Home is not considered a good web site title, there are too many scams exploiting novices with such sites, better to have your own site domain name more focused on a specific skill, like "plantsThatHeal.com". It's better to focus on a field narrower than working at all over the world,