Developers are focused on selling and cost reduction, so there’s always a temptation to focus on the superficial presentation but to skimp on the invisible qualities.
But investment properties need strong “bones”.
While good design attracts tenants, good quality keeps them. And lower tenant turnover means higher occupations and less costs.
Good sound and thermal insulation, sufficient heating/cooling capacity keeps tenants comfortable and energy bills low. (So they can spend a little more on the rent.
Strong “bones” also means: less maintenance costs for you over the long run, and more appreciation for your property.