The most expensive mistake remains taking legal advice from the other side. The agent earns money only if the sale goes through, which differs from acting for you. Separate legal representation costs a modest share of the price and remains the best protection.
Putting your name to untranslated contracts ranks close behind. A certified translation is a small expense set against the purchase price. Verbal assurances carry no weight when the written text differs — the document governs.
Buying off-plan without checking the developer has ruined a great many buyers. Before any payment, look at what the company has already delivered, the construction licences, and how deposits are protected. Late deliveries happen frequently even with reputable builders; stalled projects are the exception but far worse.
Forgetting about resale is a quieter mistake. Every purchase has to be sold or burdur rentals passed on at some point, buy property in benisa and the resale market matters. A zadar property attractive only to a narrow group takes longer to sell when sentiment turns.
Finally, plenty of purchasers fail to plan for the annual paperwork. Annual declarations may be required even real estate in occitanie france years with no rental income, and missed deadlines lead to penalties nobody warns you about. Setting up professional help from the first year prevents most of it.