Both types of projects require a considerable amount of time and money, and a large enough business and number of tenants are necessary in order for a danchi to be constructed; a comparison of the costs involved means that profitability must be investigated before a decision is taken as to whether to proceed.
どちらの場合もインフラ整備には少なからぬ時間と費用を要し、団地建設のためには団地建設を費用面から支える一定規模以上の事業者や入居者が必要となり、団地建設にかかる建設費用との対比によって採算性が問われ、事業決定される。