Bank – Arvest also offers construction loans, conventional loans, rural development loans and more. To learn more about Arvest Bank and how we can help you buy your next home, call our mortgage professionals at (800) 232-5524, begin your application online or download the Arvest home4me mobile app.Home Construction Cost Calculate the cost of building a home! – A home building calculator for your use at this site! Do-it-yourself costs or hiring a contractor costs-for a bungalow, or backsplit or two-storey. You just put in your square foot size, you want to build-and the cost is calculated for you! Free at OntarioContractors.com.