Hi Mr. Jeffrey,
I sincerely apologized for the late response, and congratulations on starting Web Development, I’m so proud of you. To answer your question, from buying courses at Udemy I’ve learned quite a few,
1 — Make sure that the Instructors/Teachers has a good reputation, you can read the feedbacks, you can check his/her previous courses, how did his/her previous courses go? From that, you’ll get your answer. I wrote a blog about the best teachers to follow online, they all have courses in Udemy too, you can check it out.
2 — Check and read the feedback of the course, you’ll know if it's worth it or not, and besides there’s a 30day money-back guarantee, what else could go wrong.
And if you ask what in particular order I took when choosing courses to take, I suggest you create a plan even before you start, but sometimes we end up in a different direction, but as you start, you definitely need a plan, and then you will learn along the way and make several adjustments into your liking and into what the market demands. I started as a Web Developer, a year after I end up working as a Mobile Developer, you can’t tell, sometimes you just have to go and take the challenge along the way.