Next steps:-Do the research on market value, rehab, rents, etc - what resources can help channel my action here so I don't over or under estimate?

To get a rough estimate you can use something like rentometer.com to see if there is indeed any rental properties near by.

My estimate of its value: $300-350K based solely on listing prices in the area.

Scott The Book on Flipping Houses, The Book on Estimating ReHab Costs http://www.biggerpockets.com/flippingbookConsider checking out HUD homes for small multi's owner occupied gets first crack.

I've seen prepaid items such as taxes and interest rolled into loan on initial good faith estimates (about 4K) for refinance.

Sweet, what is your estimated rehab cost?

I am starting out as a wholesaler and I believe that estimating ARV correctly is a large part of becoming successful in that field.

Are your utility estimates only for your common utilities?  

@Patrick Liska That estimate sounds about right.

First house under contract, looking for gc to estimate and repair.