How does building a house using agile differ from using a waterfall process to build a house? With agile, you would design and build the whole house; with waterfall, you construct the framework of the house and then add rooms with utilities one at a time. In agile, you build one room at a time; in waterfall, you build the whole house without modification. In agile, you would put all the electric outlets in first then the plumbing for the whole house; in a waterfall process, plumbing is completed first and electrical work is done last. In agile you design and build the whole house all at once; in waterfall, you build a house room by room