The most expensive mistake is using the agent's recommended lawyer. The developer gets a commission when the deal closes, which is a different interest than acting for you. Separate legal representation represents a fraction of what is at stake and remains the best protection.
Signing in a language you do not speak is nearly as costly. A certified translation is inexpensive compared with what is at stake. Promises made in conversation mean nothing once a dispute starts — the contract is what counts.
Purchasing off-plan on trust has wrecked plenty of plans. Ahead of a deposit, look at what the company has already delivered, loznica real estate the construction licences, and whether payments are held in escrow. Late deliveries are common with even the best developers; unfinished projects are less common but genuinely ruinous.
Ignoring the exit is a quieter mistake. Every purchase will one day be sold, and the next buyer decides what you get back. A property for sale in varna with no local demand is harder to move when conditions change.
Last of all, plenty of purchasers misjudge the ongoing obligations. Local tax returns are often required even when the home sits empty, and missed deadlines generate penalties that accumulate quietly. Setting up a local tax adviser from the start heads off most of these problems.