Wow, thank you all so much for the feedback! I am definitely prepared to take my time, and I will be hiring an inspector if I go private dealer as I do have limited knowledge of mechanical systems. I am going with a Class C for sure, as I do not have a good towing vehicle and like my small car.
I will be full-timing working and living in an RV park for now, until I can go part time working online and travel a bit.
I did go to an RV show at my local Camping World and walked through a bunch of different Class C's to see what kind of layouts I liked and didn't like. I made notes about what kind of bedroom style I liked, how much space I felt like I actually needed, and kitchen layouts (I hate cooking, so I don't need a lot of counter space ha ha).
I will continue to post questions and get advice as I work through all this, and I am grateful for everyone's support and kindness!