Lease-Option Deals

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I understand the principle of a lease-option deal, but just finished a book that suggested using a lease-option on both sides of the transaction. In other words, lease a home (no money down) with an option to buy, then find a tenant to lease it with an option to buy (at a higher rent and price), who gives you a big option fee up front. Have any of you had experience with these, and with what results?

The authors use examples where they put no money down, then collect $8,000 to 15,000 as a non-refundable option fee (applied towards the purchase price, of course). It seems it would be difficult to find sellers that will lease to you for years while letting you sub-let it, and really tough to find buyers with money for large option fees that wouldn't just go out and buy a home. Any success stories here using this method?