The biggest one remains taking legal advice from the other side. The developer gets a commission on completion, which is not the same as protecting the buyer. Your own legal adviser represents a small fraction of the purchase and remains the best protection.
Signing buy property in egypt a language you do not speak is nearly as costly. A certified translation is a small expense set against the purchase price. Assurances given by the agent will not help once a dispute starts — the contract is what counts.
Committing to an unbuilt project blindly has damaged plenty of plans. Ahead of a deposit, look at what the company has already delivered, the building permits, and whether payments are held in escrow. Late deliveries are common even in good markets; stalled projects are less common but genuinely ruinous.
Ignoring the exit is a quieter mistake. Every purchase has to be sold or lombardy italy real estate passed on at some point, and the pool of future buyers decides what you get back. A home attractive only to a narrow group takes longer to sell when conditions change.
Finally, plenty of purchasers underestimate the running costs. Tax filings may be required even in years with no rental income, and missed deadlines attract fines that accumulate quietly. Putting in place professional help from the start avoids most of it.