Newsletter: <b> A condominium generally offers more value for its cost than an individual house because of economies of scale  </b> The homeowners in a condominium association can collectively buy products and services that they could not afford on their own
And since a professional management company handles maintenance of common areas, <b> condominium owners spend less time and money on maintenance than individual homeowners do
The first is the argument's main conclusion; the second is another conclusion supporting the first.