Be your own slumlord with the strategy app Build-a-lot. "Manage your time and resources while meeting the goals in either Career or Casual Mode. Houses and buildings are constructed with workers and materials with each structure requiring a different amount of each. The Rambler, for instance, is the least expensive house to build and requires the time of 1 worker and 75 building materials. When completed, a Rambler will earn you $750 a month in rent and be worth $50,000 when resold. To maximize your monthly profits, houses need to be upgraded".