Op-ed: Here are tips to buy that home without wrecking your finances

Sales of existing homes jumped nearly 21% in June compared with May, which means inventories are low in much of the country. You may need to move quickly to purchase that next new home. And you may not have time to sell or even list your current home before making that purchase, especially if you have children. If you have a lot of equity in your current home, there are several options.