Most residential ISPs in the US explicitly prohibit "servers", which is not just listening ports, but also services running over VPNs or tunnels. If you upload too much data, even on unlimited plans, you risk disconnection.
It's an entirely corrupt racket, but they're the only game in town, so you'd best not jeopardize your only option for high speed internet.
Additionally, your home connection IP is PII that points uniquely and unambiguously at the place that you and your children sleep unguarded at night. Don't draw attention to it.