How do I create a profitable online course for a niche market without any prior experience in instructional design or online education?

I totally get why you're unsure about creating an online course, especially with no prior experience in instructional design or online education. I've been in similar shoes before, and it can be overwhelming. But here's the thing: your passion for helping entrepreneurs with social media marketing is a great starting point. You already have a niche in mind, and that's half the battle. I think your next step should be to validate your course idea by talking to potential students and seeing if there's a demand for what you want to teach.

One way to do this is by creating a minimum viable product (MVP) - a basic version of your course that you can test with a small group of students. This will help you work out the kinks, get feedback, and make sure your course is actually meeting the needs of your target audience. Don't worry too much about making it perfect at this stage; just focus on getting something out there and seeing how people respond. You can use platforms like Udemy or Teachable to host your course, and they often have built-in tools to help you market and sell it.

As for scaling your course and reaching a wider audience, I think the key is to focus on building a community around your course. This could be a Facebook group, a Slack channel, or even just a email list where you can connect with students and provide ongoing support. This will help you build trust and credibility, and also give you a way to get feedback and iterate on your course over time. And don't worry about competing with more established course creators - just focus on providing value to your students, and the rest will follow. You can also use social media to promote your course and reach new people, and there are plenty of free or low-cost marketing tools out there to help you do this.

I know it's a lot to take in, but I think the most important thing is just to take that first step and start creating. You can always refine and improve your course as you go along, and you'll learn so much more by doing than by just reading about it. So, take a deep breath, be kind to yourself, and remember that it's okay to make mistakes - they're all part of the learning process. Good luck with your course, and I hope it brings you (and your students) huge success!