When homeowners receive several construction quotations, the first number they usually compare is the total contract price. One contractor may quote ₱2.8 million. Another may quote ₱3.2 million. A third may quote ₱3.6 million. The ₱2.8 million proposal may immediately appear to be the best choice. But are the contractors offering the same house, materials, construction system, supervision, documentation, warranty, and after-sales support? Possibly not. A lower quotation may r