Construction cost calculations are not made for flats sold in 20-year-old or 30-year-old buildings.

Don't get caught up in the perceptions of those who do it.

If the yellow site advertisement price of the house is 3 million lira, offer 1.5 million. Do not pay more than 2 million lira.

The tenant inside is usually already a former tenant. He/she will have to accept your offer to avoid dealing with the tenant.

If he doesn't, he knows that the prices of such houses will crash even more.