I would absolutely use an attorney to facilitate this type of transaction.

That is super helpful! 

If we rent to own, they are OK, but we cant refinance because we don't have the deed.Are there any unique scenarios to help us get the property for little money out of pocket, we have the ability to have the deed and refinance, and the sellers are able to 1031 at their leisure?

You can put a mortgage into a "trust: without triggering a due on sale but again contacting your bank/lender is the best route to avoid any issues.Some banks/lenders or servicing companies change guidelines and even a trust may require other paperwork but the attorney usually facilitates that to be safe.  

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By facilitating the closing process and leveraging a strategic marketing approach, we increased the property’s visibility and quickly found a buyer.

I mainly focus on do ing flips and flip to rent, but I also facilitate STR and MTR in the area too.

One of them told me they only have to provide 15 days notice, which doesn’t help if I am on vacation for a few weeks or haven’t checked my PO Box in a few weeks.

I’d simply ask in what situations where the broker and the brokers firm did nothing to facilitate the sale do you think you should get paid a commission?

Let me know if you need help with specific tools or anything else.