Here's how I did it. I downloaded a free VPN (paid works fine also). But on the VPN, I set the country to Argentina, and then signed up for YT premium.
You need to use a google account that you don't currently have signed up for anything like YT tv. I have a secondary account I use for regular youtube.
So when u sign up, make sure VPN is turned on and set for argentina. Put in your credit card. google already detected I was in Argentina. you get 1 month free, and then its comes out to $119.00 ARS per month. I checked the conversion rate, and that comes out to $1.17 USD per month.
When you enter your info to sign up, you can use your real street address. Just don't enter your city or state. I used the city or buenos aires and googled buenos aires postal codes and added one of them on the list. and just like that, I got YT premium for the low low. Here's a video that explains it. He says to use India for your country, but argentina is actually cheaper. Also, once ur signed up, you should get the low rate indefinitely.
You don't need a paid VPN. I used the free one below and it worked just fine.
Here's the free VPN I used
TunnelBear: Secure VPN Service
Here's the video that explains the steps:
I believe
@TradePascalSiakam explained doing something similar with netflix to get it for the low low. I already get netflix free thru a relative, so that's not relevant for me.