My recommendation - rent now, save money, and buy when you are ready.
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I know many buyers would like to see more of these, as I get called about lease to own on my listings from time to time. Its just tough to get a seller who is ready to be done with a property to be willing to rent instead. However, every once in a while I've seen a seller willing to go that way. I agree with Jeanne. If you aren't able to buy now, keep renting, save money and then buy the house you really like from a huge selection of properties, rather than settling on one of the few houses willing to do a lease to own.