I'm pretty sure that you can't gradually upgrade a shed into a skyscraper unless you pour a skyscraper-ready foundation before even starting on the shed. But if you're doing that, why start with a shed and not with a skyscraper?
Not sure why you're trying to bring AI development into this.
You can, start by clearing and grading the site - get a shed up over your head. Then you can start then start the skyscraper next to it and work out of the shed.