Yeah, when you say stuff like this, it shows how woefully unprepared you are for the realities of this. You can't scale, can't self host for long, don't see a way to pay for this..... When I can already pay Kagi for a fully working, excellent service, why would I choose you? This is guaranteed to crash and burn the moment your ISP tells you you can't run a commercial grade server through your residential connection. They'll either cap your bandwidth to unusable levels or disconnect you entirely. If you're lucky you'll have 1 or 2 other options to choose from, whom will blacklist you shortly after. Then, after you're burnt through all the "easy" ways to host, all you'll be left with is professional grade services that you admit you can't afford.
Also, you make zero mention of user privacy. So what happens when you get your first subpoena? Or before that, why should I trust you with my data in general? What policies do you have in place to ensure my legal rights are protected? Do you even know what the legal rights are per state/country and how the location of where someone connects from impacts you? How are you gonna handle visitors from the EU with GDPR?
Nifty idea, but way too much "I'm gonna single handedly reinvent the wheel" vibes.