You can - however you will not be getting around the need to purchase the spot on steam for $100. Ill link a video that explains it much better than I could.
I used this to set up the internal playtest for my crew and it works - though I did have some issues with creating a new depot.
You know, even in most open world games they use cells which is just a different way of saying 'area to load'. Thats why when you play Skyrim you sometimes have things pop in since thats the cell loading. RMMV can do open world and I think with what you are saying you could do it but I would...
Uh... Forum test, forum test. Am I live?
New but not so new here. (Like, been lurking around as a guest). I hope to change my destiny.
That is, to make friends and learn from the community. I hope we all have fun and create memories worth keeping.