According to the Fannie Mae National Housing Survey of June 2013, 51 percent of renters of all ages want to someday own their own home, and 57 percent of renters, who are 18 to 34 years old, yearn for homeownership. Doorsteps is an online tool owned by realtor.com operator Move that guides consumers through the homebuying process—with some exciting new components in the works. One of those new features is…