Getting the cause of the delay wrong could lead you to discount the price for a problem that will also affect your own purchase. The marketing history may reflect failed buyer finance, defects or unresolved recurring costs rather than a seller simply waiting for more money.
Ask the agent...
I’m not convinced a target net yield alone answers this. Financing can dominate the outcome: the same apartment may look acceptable with little debt and fragile with a larger loan or changing borrowing cost. Compare the property’s net operating cash flow before financing, then apply several...