The cost of a cost segregation study varies but typically ranges between $1,000-$15,000.

I was doing some research yesterday, a typical wildfire generates radiant heat of about 1,500F and with high winds can reach up to 2000F. 

In investing that's typically done by exchanging one asset for another rather than using cash as an intermediary (which would require you to time the market perfectly).

Typically Conventional will end 42% of DTI and FHA can get up to 51% DTI (and based on your credit score I think you should stretch to that 51%) Just a few things to start thinking about as you are working through the process. 

How attorney fees typically work in these cases (e.g., hourly, contingency, flat fee)?

Rich Young, Loughlin, Crest, etc.Commercial brokers typically do not charge fees for tenant/buyer representation but find a way to take their fees out of the deal.

Must be able to handle all typical investor transactions (assignments, wraps, lease/options, etc.).

Instead of 40 houses cash flowing $200 each or $8000/month, you buy 10 houses and pay them off for a cash flow of $10,000/month with 1/4th the headache.People don't understand the amount of time, energy, and stress involved with managing a lot of doors, especially if they are lower-class properties typically needed to generate cash flow.

As you and I know, a quad would be sold typically to an investor. 

They could offer different products for single family vs multifamily so it's a good idea to get with a lender to see what they can do that may not be your typical mortgage type.