I'm starting to think she does this professionally and is a real estate "ambulance chaser".

Huntsville, Alabama, is rapidly emerging as a top real estate market in the South, driven by its growing population, strong economy, and affordable housing options.

You won't have an issue provided you register the WY LLC in FL.

But it's important to note that rental and retail figures are still ahead of 2019 levels.On the real estate front, prices are holding steady, though we’re seeing an increase in inventory.

Can you make a lot of money in real estate? 

Your mention of using the solo(k) for down payments on real estate investments could end up being prohibited depending on the details and structure of the investments. 

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

I will be moving to the Northern Virginia/DC area in a couple of months and would love to meet investors from the area as well as a real estate agent, insurance broker and/or attorney familiar with LTR/STRs.

Within a few weeks of sending them $5,000 she received 10 tax lien certificates from counties in Florida. 

Just do not be surprised if the returns are not as high as you hear others get in real estate.