But yes, I'm really not ready for that kind of pressure and marketing efforts. I feel - and even more so since Cities:Skylines 2 announcement - that there isn't enough I can do alone to turn this into a full-time job.
You should definitely at least get a Steam page up so that we can wishlist it. Today's HN posting would have gotten at least one wishlist (from me :) When a game gets enough wishlists on Steam, the game is promoted to various lists which get shown constantly to people (as soon as you have game released and purchasable, even if Early Access). You are otherwise penalized if you create a store page late and have very few wishlists, since Steam's algorithms prioritize giving the banner spots, etc. based on your # of wishlists.
But yes, I'm really not ready for that kind of pressure and marketing efforts. I feel - and even more so since Cities:Skylines 2 announcement - that there isn't enough I can do alone to turn this into a full-time job.