When you’re just a single SFR investor with their PM firm, it’s unrealistic to expect the treatment for someone with a large portfolio with them…sadly.

That sale might qualify for tax free treatment with no 1031 needed which would make the decision a no brainer.

If your QI holds your proceeds until the end of your exchange period you will not receive the funds and recognize the gain until 2019 if your accountant reports it on 2018 tax return with installment sale treatment. 

@Frank WolterI want to start by congratulating you on your success, work ethic, goal setting and achievement, persistence. 

These are professionals with additional training and a stricter code of ethics.

@Brittaney Krischke - Go through all this and you'll be an expert wholesaler at the end (in theory; the practice is a whole different story):https://www.biggerpockets.com/blogs/7276/47735-the-ethics-of-wholesalinghttps://www.biggerpockets.com/blogs/5101/47691-wholesaling-tips-with-tic-tac-toehttps://www.biggerpockets.com/blogs/5101/47552-wholesalinghttps://www.biggerpockets.com/forums/517/topics/345427-white-paper-wholesaling-101-direct-mail-based-on-bp-postshttps://www.biggerpockets.com/blogs/6539/44228-wholesaling-is-illegal---no-really-it-is--at-least-in-my-statehttps://www.biggerpockets.com/blogs/4430/54368-guide-to-automatically-wholesaling-over-20-deals-a-monthhttps://www.biggerpockets.com/renewsblog/2009/12/17/wholesaling-houses-faq/https://www.biggerpockets.com/renewsblog/answers-top-5-questions-asked-aspiring-wholesalers/https://www.biggerpockets.com/forums/12/topics/586478-questions-to-ask-a-lawyer-before-wholesalinghttps://www.biggerpockets.com/renewsblog/2009/11/26/10-questions-investors-adding-wholesale-buyers-list/https://www.biggerpockets.com/forums/12/topics/588362-questions-to-ask-potential-sellers-for-a-wholesale-dealhttps://www.biggerpockets.com/renewsblog/2009/06/24/answer-subjectto-questions/https://www.biggerpockets.com/forums/93/topics/590614-what-are-the-top-key-questions-to-ask-seller-when-contactedhttps://www.biggerpockets.com/renewsblog/2008/07/30/the-single-most-important-question-to-ask-when-negotiating-with-a-seller/https://www.biggerpockets.com/forums/93/topics/588666-have-questions-on-wholesalehttps://www.biggerpockets.com/forums/93/topics/595659-wholesaling-advice-and-questionshttps://www.biggerpockets.com/forums/93/topics/601390-rei-questions-for-wholesalerhttps://www.biggerpockets.com/renewsblog/wholesaling-questions-answered/https://www.biggerpockets.com/renewsblog/2015/05/12/questions-about-closing-wholesaling-deal-get-answers/https://www.biggerpockets.com/forums/93/topics/591896-so-many-questions-about-wholesalinghttps://www.biggerpockets.com/forums/517/topics/595564-ask-me-about-multi-touch-direct-mail-campaignshttps://www.biggerpockets.com/forums/93/topics/603653-lots-of-random-wholesaling-questions-from-a-newbiehttps://www.biggerpockets.com/forums/517/topics/602974-138-leads-in-28-days-in-the-houston-texas-area-ask-me-anythinghttps://www.biggerpockets.com/forums/585/topics/608176-probate-leads-how-to-find-them

These are professionals with additional training and a stricter code of ethics.

Does anyone know the legality and ethics of registering at a rental address?

And rehab and treatment of back willbe more expensive than not having a job.

You are correct that the tax treatment of Airbnb business (emphasis on "business") is distinct from other forms of real estate investment - and that you should get clarity about that to incorporate into tax planning and investment ROI analysis.