A: 1) I'm not clear on the "machines." Are these the number of actual computers you can use at one time or give a license to? Would I be able to transfer licenses at a later time?
>>> Yes and Yes, see below respective documentations:
https://rtila.com/docs/manage-license-activation-count/
https://rtila.com/docs/team-member-activation-url-license/

2) To clarify, these automations happen on my own machine? So, I would need to have my computer on and leave it running to execute these?
>>> Yes if you wish so. Otherwise you can also install RTILA on a Windows VPS and run your automations from there. Or you can upload and run your automation to our secure Cloud (premium service)

3) Is it possible to feed information into these automations or use dynamic values? For example, I have a list of domain names I own. I want to give this software a domain name, it goes to my domain management dashboard to look for the domain name I gave it, and then it configures settings for that domain.
>>> Yes. RTILA can read from local CSV or TXT files, from the results of a former project you have run, or from GoogleSheet and then do the actions you need it to do. See this similar example/demo and you can adapt this template to your use case: https://youtu.be/PgyxhBzCaGk