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There are a few options(1)You can get connected with the larger wholesaler firms in the area (2) go through PCPAO site and skiptrace the buyers of similar properties as yours, (3) hunt down the agents involved in the sale of properties similar to yours or go to local REI meetings and pitch it to the investors there. 

Quote from @Heather Luu: Unfortunately, you would have to re-key the locks.Here's another option.

What are other options do we have if we don't have piror experience? 

The first thing I ask is why am I Buying the property.I always look at the exit strategy first, is it going to be a rental, a lease option sell, am I planning on living in it.

Quote from @Paige Seeley: @Jay Hurst even with 20% down, what non conventional options are you talking about? 

If they do, your best bet is a local community bank that funds these types of properties.Another option is a private lender but that money will be pretty expensive, as mentioned 10%  + 

That said, if managing sounds overwhelming or you’re strapped for time, hiring a property manager from the start is a perfectly valid option.

There are several options for skip tracing to find phone numbers and email addresses.

So many better options.