What made you interested in investing in this type of deal?

I use Google earth to get an idea of roof tops, and can pin them up for a "hit list" type visual aide. 

There is an acceleration clause is most deed of trusts, that is, his mortgage document that calls for a full payment of a mortgage if the title is transferred in this manner, but people do it all the time and accept that is the mortgagee/lender ever exercises this clause then you'll just have to refinance the property and since you were paying the mortgage and have proof, you should have no difficulty in refinancing the property. 

Essentially, it allowed it me determine the exact neighbourhood in Phonenix where there is a ton of demand for vacation rentals, and also helped me find the exact type of property to buy (including amenities). 

We have no idea what type of loan you are receiving nor the downpayment program. 

All types of neighborhoods ranging from C to A.

I’m currently learning what type of investing I’d like to do.

Is there a rule of thumb on cost associated with this type of service?  

Most Coast agents are semi-retired/don't need the money type agents who will sell you what's on the MLS only, and there are no deals on the MLS.That being said, if you are interested in the long game on the Oregon Coast, the equity appreciation is hard to be.

The property types that would most be affected are "soft story" dwellings and single families or small multis built on un-reinforced cripple walls.