Go for it! Since its a one way thing. Our landlord has no issue with our ever expanding fur family. Make that shelter happen, its our dream too. My wife loves to take in the mishaps, my friends joke that is why she loves me.
Depending on what paperwork you need, if stuff needs to be legalized, it can add up a bit. But nothing near paying an agent for anything. Just be prepared for a couple of trips to immigration since it is never okay the first time.
What breaks the bank is subjective. I would never pay, grow a spine. This is literally just shaking some money out of someones pocket for something millions have for free.