HN user
Come up with a pet project and code a prototype in the language you're interested in (or, more generally, using the set of tools you're interested in). If you like what you experience, extend the project, solving more difficult problems, step by step deepening your knowledge.
Domain names will still work when Google is gone. Domain names work for users who don't use Google or another search engine to type in their domain names.
Suggestion 1: try to steal time from your day job to work on your dream.
Suggestion 2: be creative and think of alternative ways of financing your startup work that are less demanding of your time. For example, find a job that pays better so you can save more for later when you want to start your enterprise.