Before committing, request recent building accounts, meeting records, planned expenditure, unit-level bills, insurance details and the tenancy paperwork. Missing documents should not be replaced with optimistic spreadsheet assumptions.
I’d put less weight on condition than stillreading.olsen does, unless something actually needs replacement. Dated finishes are visible and negotiable, but buyers can price them very differently. By contrast, no balcony, an awkward 2-bed layout within 50 m², or a poor position inside the building...