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

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.

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

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

It is listed for low 40’s has been on the market over a year, went to auction and didn’t even sell I think we could get it for less.  

I'm currently working on a few commercial deals off-market including a 35 unit office building. 

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

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.

Am I alone in finding that in today's market, wholesalers tend to be able to bring properties at the same price points as you can find by shopping at foreclosure auctions?

It offers immediate cash flow and diversification across different real estate classes and markets, freeing you from the headaches of active management.