Too many sellers are asking for prices based on the park being at market rent for 100% occupancy.

I have some properties that are in good condition that if I could get an offer of 85-90% of market value without realtor fees I would happily take for a quick sale. 

I'd gotten an on-market property under contract, but I found out it had massive foundation issues so I decided to assign it.

Hello REI community,
I have questions in the topic of large multifamily apartment complexes generally around the U.S. Who do you know is willing to answer?
Thank you for reading this far;
     -Ruben

My question is what are the types of homes that attract long term tenants in this market?

It sounds like you already have a great foundation with your rental and BRRR experience in the UK, and you'll find many similarities in the US market but also a few key differences.For location, I’d suggest looking into markets with strong population growth, economic stability, and landlord-friendly regulations.

Go online to Airbnb in Avondale and reach out to some of the "hosts" to get the answers. 

Miami’s Real Estate Market: Your Golden Opportunity AwaitsMiami Single Family Homes: A Hot Market with Growing DemandThe single-family home market in Miami is heating up.

What are good strategies or online calculators to help make rehab estimates? 

Off market from a realtor attempting to gain a listing from one of my available rentals.