The biggest one involves relying on the seller's lawyer. The agent is paid when the deal closes, which differs from protecting the buyer. An independent lawyer represents a fraction of what is at stake and remains the best protection.
Signing in a language you do not speak comes a close second. An official translation is a small expense set against what is at stake. Verbal assurances mean nothing when the written text differs — the contract is what counts.
Buying off-plan without checking the developer has wrecked many budgets. Before paying anything, review the developer's completed projects, the planning approvals, and whether payments are held in escrow. Late deliveries are common even in good markets; stalled projects are the exception but much more damaging.
Thinking only about the purchase is a subtler error. Any buy property in kayalar has to be sold or passed on at some point, apartments for sale in porto and the pool of future buyers decides what you get back. A unit attractive only to a narrow group takes longer to sell when sentiment turns.
Last of all, apartments for sale in bursa plenty of purchasers fail to plan for the running costs. Tax filings can be required even in years with no rental income, and overlooked notices lead to charges that grow over time. Arranging a local tax adviser from the first year prevents most of it.