Second, worry about the other stuff one piece at a time.
Derek Sivers has a good resource for putting things on-line: https://sive.rs/ti
David Heinemeier Hansson would remind us that you can do this out of your home to if so inclined (assuming you have a reasonably static connection): https://world.hey.com/dhh/dare-to-connect-a-server-to-the-in...