The costliest error remains taking legal advice from the other side. The developer gets a commission when the deal closes, which is not the same as acting for you. Separate legal representation represents a modest share of the price and vilamora property prices is the single best safeguard.
Putting your name to untranslated contracts is nearly as costly. An official translation costs little set against what is at stake. Promises made in conversation carry no weight if the written contract says otherwise — the contract is what counts.
Buying off-plan without checking the developer has wrecked plenty of plans. Before any payment, review the developer's completed projects, the building permits, and whether payments are held in escrow. Delays are normal even in good markets; unfinished projects are less common but much more damaging.
Thinking only about the purchase is a quieter mistake. Any property will eventually be sold, and the pool of future buyers decides what you get back. A unit attractive only to a narrow group takes longer to sell when conditions change.
Last of all, a lot of buyers underestimate the annual paperwork. Local tax returns are often required regardless of whether the san buono property management earns anything, and late filings attract penalties nobody warns you about. Arranging a local accountant at the outset heads off most of these problems.