The most expensive mistake involves using the agent's recommended lawyer. The developer gets a commission when the deal closes, which is a different interest than looking after your interests. Separate legal representation represents a fraction of what is at stake and remains the best protection.
Signing documents you cannot read ranks close behind. A certified translation is inexpensive compared with what is at stake. Promises made land in montenegro for sale conversation mean nothing once a dispute starts — only the signed text matters.
Committing to an unbuilt project blindly has damaged a great many buyers. Before paying anything, look at previous developments, the construction licences, and the guarantees on staged payments. Projects running behind schedule are common with even the best developers; abandoned sites are the exception but far worse.
Thinking only about the purchase is a subtler error. Every purchase will one day be sold, and the resale market decides what you get back. A buy property in umag attractive only to a narrow group takes longer to sell in a weak market.
Last of all, a lot of buyers fail to plan for the ongoing obligations. Annual declarations can be required even when the home sits empty, and missed deadlines attract charges that accumulate quietly. Arranging a local tax adviser at the outset avoids the majority of these headaches.