Has anybody had a situation like this before or able to provide more color on best approach / details?

The other 3 above should be able to provide referrals, but don't blindly trust anyone!

If there are any SC RE agents that can provide me with some clarity on this subject matter, it would be greatly appreciated.

Have you tried to ask the Turnkey providers to show a bid to buy it back?

Also, there is some more specifics provided by an accountant on S Corp.https://www.biggerpockets.com/forums/51/topics/838628-accounting-for-landlord-flipper

If this sounded like a shilling post (new member, first post etc) I would be happy to provide ID’s and proof of purchase to forum moderators if needed as well.

Based on the information you provided, it would seem like you have no contractural obligations with the seller, and hence no recourse with the seller. 

They can provide insights into which neighborhoods are up-and-coming versus those that are more established or facing challenges.

Very nice, Florida provides a strong STR market depending on the area you buy in.

Both you and your husband (and also your immediate family members) are considered disqualified persons to your 401k, so you are not allowed to provide any services to the plan nor receive any personal benefits from the investments of the 401k plan.