Nasu vs Google Console Project

So I've recently set up my home assistant using a Raspberry Pi5 as I wanted to additional automation that I couldn't do through Google Home. I am not a fan of the HA interface, so made the decision to continue using Google, and was aware that rather than paying the monthly fee, you can set it up yourself using Google Console projects.

I've completely this and the set up works, however I am experiencing a few problems:

1. When using Google Voice Assistant I'm often running into an error where it can't reach HA, so I have to reboot.
2. The ordinary risk of attack as I've had difficulty with setting up a reverse proxy.

Does anyone else use either of these methods and if so, what do it recommend? I'm reading that using the Nasu would fix both my issues, making me more tempted to just use that method for a smooth and hassle free experience.