The good news here, is that many countries have double taxation treaties. So that you don't get taxed by 2 countries for the same income.
https://en.wikipedia.org/wiki/Tax_treaty
The weather is vastly different and very cold, but I enjoy and missed the winter, and spring is almost here as well.
The people are not as open to talk to strangers, but I've noticed that once they do open up, they are fun, honest people.
I believe education is free over here, I haven't looked into it from an immigrant's perspective.
I don't speak Estonian, as I currently don't need to... There are a bunch of tech companies who's primary language is English, so the incentive is still low, but if we do decide to stay long-term, I plan on learning it.
Estonia has quickly grown to be a very technological advanced country. I had several interviews within a week when I started applying, and I don't regret my decision.
Who knows, it may change in a few years, but even if it does, I can always get up and move again.