No. People who want the benefit of self housing without worrying about hardware will rent a vps or something simpler. The hard part of hardware isn’t the purchase, it’s the maintenance.

Also, why the separate router?

Depends on why you want to hide your server ip, what’s your use case? Is it to protect against DDOS?

Cloudflare is evil, but is there any other party you would trust to share everything with?

You’re not entirely clear on whether you want these services accessible from the internet or just internally. If the latter, change ACME settings to use DNS challenges instead of HTTP. If the former, recheck your dns records, maybe post them here (censored if you wish).

Well, you didn’t specify that requirement in your post.