I've been offered an opportunity from my wujek in Poland.
farrier Noun - chiefly Brit - a person who shoes horses [Latin ferrarius smith]
It seems you haven`t decided yet if you want to pursue financial career or the possibility of acquiring a new skill.
If you aim at profits, think about it. 2000pln is a decent pay for everyday expenses, but forget any serious saving or investment.
However, if you want to learn a new trade, with the prospect of taking it to America, then spending a few months or even a year for 2000 per month is worth considering.