5G CGNAT Bypass & Remote Access

My 5G home connection is delivered through an Archer NX200 5G router and, like many 5G plans, it sits behind CGNAT. Because of this, I cannot reach my internal network from the outside world. The goal is clear: Remote Access... (Budget: $30 - $250 USD, Jobs: Asterisk PBX, Linux, Network Administration, Network Monitoring, Network Security, OpenVPN, VoIP, VPN)