Thanks mods!  

You have found a market out-of-state and have talked to an investor-friendly Realtor you met on Facebook that seems to check a lot of boxes for you and your goals.You worry about making a good choice and how to complete your due diligence on this agent and opportunity.All of my out-of-state buyers buy without ever having seen the property in person but I know they will at some point and want them to have a good experience so I frequently do FaceTime walkthroughs with them before buying and use a very comprehensive property inspector to avoid surprises.

. —- Again I’m not saying you have to do these things; it all depends what type of investor you are and what you are looking for however it is important to understand that if you shift the responsibility of either identifying the invest property or managing or any other aspect there WILL be a trade off — in this case the turnkey company has delivered on your goal of 8-9% ROI (projected... so TBC) and in return you have traded some of the other benefits of investing in RE for the convenience of not having to do much more than to look over the properties they have sent you and funding it from the comfort of your home, office, etc. ... again if this is the goal then you are on point but if the goal is to also partake in ALL of the other benefits of RE then you should understand that and not be surprised that it’s not a ‘stellar’ investment that checks all the boxes.

Can I still do simple 4 box calculation? 

As someone who deals and talks to real Private Lenders (small shops run by a guy who lends his own capital and doesn't use big box), they have a hard and fast business model that produces the rate of return they need to remain profitable and curb the risk on their cash.So the best product for a budding fix and flip investor is the bridge loan which includes acquisition money and construction money. 

The threats of leins were not working, as truthfully I had no idea how mechanical liens worked at the time and would just contact a lawyer who did understand them. ( I since have, a lien was placed and it was fraudulent) He began to dismantle the electric after breaking into the breaker box.

A lot of agents do use a combo box in conjunction with a Supra.

He has helped me with some creative financing and outside of the box strategies in the past.

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This will help narrow your Buy box and make your efforts more fruitful.