Client changes in residential projects is very common and can affect original budget and timeline. Most time changes happen due to new design choices, material upgrade, or site condition not seen in early stage. Best way to handle it is to update takeoff quickly, recheck quantities, and communicate new cost clearly before work continue. Keeping proper documentation also help avoid confusion between contractor and client. Using reliable residential estimating services can make this process more controlled because estimates are updated correctly when changes happen, so project stay closer to real cost and reduce budget issues.