To list on the MLS, you will need a POA signed by the seller, which states that you can sign on behalf of the owner for listing documents and offers, as well as a signed purchase and sale agreement with an assignability and marketing clause."

I'm wondering if it would make sense to source modular homes in China and have them shipped to and assembled in markets like Memphis, Atlanta, Birmingham, and other where you can buy vacant lots with utilities for as little as a few thousand dollars.

Step 1— Read everything here that is relevant to your situation https://www.biggerpockets.com/blog/property-managementStep 2 — List your property on Zillow, Apartments.com and Facebook Marketplace — that will give you exposure to 80%+ of the rental market Step 3 — Keep taking action on the scary things—they're not as scary as you thinkGood luck!

People who can share their experiences in different markets or with different investment strategies. 

I’m thinking rental but market is rough in Florida.

Looking for insight into market conditions and any concerns for purchasing in Seattle.

Future sale price is set, regardless of market.

Hello, I am new to real estate investing and I have a tentative verbal deal on a pre-market lake property that I would eventually like to make my retirement home (10 years or so).

Yes, it would be good if the seller communicated any issues earlier because then they could be handled/negotiated earlier if needed, but for the buyer there should be no risk to their EMD at least the way we would typically write a contract in my market. 

Maybe the market?