Write up a simple letter for the tenant to sign (along with you also signing) before a notary that agrees to a "voluntary surrender of possession".

Just for curiosity, I picked 3 of them in miami dade at random and crossed referenced them on the clerk of courts site. 1 was still in the owners name, so it might of just transferred, 1 had foreclosed Jan 2011 and no writ of possession was ever filed. 1 was foreclosed 8/2011 and had a writ that had been issued and rejected with the comment "3rd party entitled to stay".

My understanding of a land contract is when a buyer gets possession and makes installment payments to the seller.

Our local government is selling thousands of properties that it has in its possession.

Have a lawyer write an agreement and include a clear date for sale, include the disposition of possessions in the house if any.

You need to find out the Ohio process.Wining the auction doesn't mean you get possession.

My tenants to the lat my bank, an I have auto pay from my accounts to the appropriate loan, all at the same bank, its simple, for the tenant, and for me, I give them a deposit slip with the account name, property address, and last 4 of the account, I can log in and see they paid, and the bank even images the deposit slip, so I can verify, Be careful with services, I heard on The Dave Ramsey Show, a guy was using a service, and a tenant was paying with stolen checks electronically, because the landlord was in possession of stolen property (the money) it was confiscated, in his case 11 months worth, know the terms and conditions. 

Speaking from firsthand experience, heirs make emotional decisions and tend to overvalue their parent's possessions. 

I had filed a dispossessory warrant, no reply from tenant, then went to file for the writ of possession (i.e. the actual eviction).

If your sale price and thoughts on the area being hot are correct you'll sell it quick and total possession time will be short.