Congrats on developing a SaaS with revenue . . . keep bootstrapping . . . you don't need investment. Polish up your app and code . . . there are some rendering issues on initial load and validation on the login form. Test, improve, polish provide the best UX you can to keep existing customers. Start a blog with articles on how realtors can use social media, publish often and collect emails/build a list, email that li…
Agreed with all this.
Definitely focus on your CTA on the site. It's not very clear that I can sign up for your service on the site.
I'd also offer a 30 day refund for unhappy users, this helps put new users minds at rest.