To secure the best mortgage deal, start by ensuring you have a strong credit score (ideally in the mid-700s), a low debt-to-income ratio, a steady job, and funds for a down payment. Use a mortgage calculator to determine how much you can afford. Shop around by contacting multiple lenders to compare rates, closing costs, and mortgage points. Getting pre-approved can enhance your credibility with sellers. Rate shopping within 14 days minimizes credit score impact. Follow these steps to find the best mortgage option for your needs.