You already have to pay your domain registrar and your home ISP.
I actually tried to avoid an itemized
Many home ISPs' acceptable use policies prohibit running a publicly accessible server from your basement, and they enforce it either through a firewall (blocking inbound connections on 80/443 or on all ports), through carrier-grade network address translation (CGNAT) which doesn't give your computer a public IPv4 address in the first place, or simply through threat of having your home disconnected from the Internet for twelve months. To avoid this threat of disconnection, many customers upgrade to a business-class plan that includes an IPv4 address with inbound and no server ban in the AUP.
How long ago were these three days spent? If it was years ago, perhaps the installer has improved since then.
It was 2-3 years ago. From above: I'll re-try installation (work... please... work!)