I use a small pc instead of an rpi for tunneling vpn connections:
https://www.ebay.com/itm/264458765771?ViewItem=&item=2644587...
An i7 4500U with 8GB ram and 128GB SSD costs around $300, but you can get a decent setup for $180
https://www.ebay.com/itm/264458765771?ViewItem=&item=2644587...
An i7 4500U with 8GB ram and 128GB SSD costs around $300, but you can get a decent setup for $180