Modular homes in many instances could be less expensive than site-built homes because of the less time and material wastage in producing them. It is built in a controlled environment, reducing the risk of delays and unforeseen costs caused by weather conditions. The expenses, however, will differ according to the customization, land preparation and local regulations. Many people often check the cost of modular construction with the traditional building estimates to see which building method is more budget friendly. Although the starting-up costs might be cheaper, the shipment, foundation and utility expenses need to be taken into account for the overall investment.