When planning to build a house, it is natural to look for the lowest possible construction price. A homeowner may receive three quotations: Contractor A: ₱3.5 million Contractor B: ₱3.2 million Contractor C: ₱2.7 million At first glance, Contractor C appears to offer the best deal. Choosing the lowest quotation may seem like an immediate saving of ₱500,000 to ₱800,000. But what happens when the cheapest proposal excludes permits, cabinets, fixtures, drainage, utility connecti