A better question - are you sure you WANT prospects to lease on the spot!? Jennifer Nevitt did a GREAT study of resident behavior some years back that I would think is still relevant that showed residents who look longer live with us longer. The rental decision is one of the biggest financial commitments our customers make. That said, I know everyone still wants that instant lease...and to fill that immediate vacant. One of my most successful tips is, if they are leaving without leasing, tell them for their convenience since you KNOW they'll be back, they can go ahead and complete the application now without money or anything, and you will shred or delete it, but that will save them time and the need to return later. They'll be all done and only have to go online and pay when they decide to lease from you! Typically, the process of filling out the app is such a time and mental commitment, it often ends the prospect's search!