What questions should I be asking him and what key subjects should I address with him with regard to how the title company can help me find the homes I need for my deals?

Thanks for the confirmation that subject to contingencies weren't just for existing structure purchases.  

In addition to that I was wondering if anyone knew of a good book for beginners on the subject?

My question is whether or not forms like a pet addendum, rental application, carbon monoxide/smoke detector acknowledgement etc. are state specific - I know the residential lease is subject to certain state regulations and will be asking an attorney about it.

This is certainly true of properties other than the subject property, however, it's worth talking to your lender.

Also be sure you understand UDFI (unrelated debt financed income tax) and the taxation structure your IRA will be subject to due to utilizing leverage on a tax advantaged account.

Search here on:- subject to existing financing- wholesaling lease optionSome investors find doing the above deal types so desirable this all they do.Creative deal structuring will get out of the mind set that real estate is about controlling a deal with a cash offer.  

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We bought a property subject to existing mortgage.

What we do in this case is make the closing subject to completion of rehab, inspection and a tenant being in place.