There are local trackers everywhere, try to get an invite to them. I’m Hungarian, we have several invite only trackers for dubbed movies and other local content. Even they are invite only, it’s really easy to get an invite as a lot of folks have account on them.
For that kind of content I would look for your local communities on reddit, fb or whatever social media is common in your country. Try to find out what others use, and try to get an invite there.
Fmhy has a list of non-english sources: https://fmhy.net/non-english
My friend did this once. Asked the seller to declare a smaller price on the package, than customs office asked for an invoice from my friend, and he just photoshopped the lower price to the invoice and submitted. It was from China to Europe, and not second hand, just a good guy seller from aliexpress. I guess if you do this frequently you can get into big trouble. But they don’t have the manpower to doublecheck everything