For first-time investors, neighborhoods like Riverside, Murray Hill, and North Jacksonville could be good places to start, offering strong rental demand and potential for growing neighborhoods.

I think hard money lender to take this risk cannot legally charge appropriately which means the law is working against you (the law meant to protect owner occupied owners from unfair loans).I agree with @Jay Hinrichs that your best option likely is to sell on the mls.  

This can lead to "renegotiation" demands at the closing:(Other Potential Issues to Consider:Being in the chain of title is also exposure to potential legal issues.Selling an assignment may be a violation of a state's real estate statutes.Wholesaling w/o a real estate broker's license may violate your state's statutes.I'm sure there are more...

She has stayed in my property for free for four months, and if she keeps appealing everytime when she's given a 7 days moving out order, she could potentially never pay rent or move out.

Are you a US citizen who understands how things work legally in the USA?   

I have a few questions- "We started an LLC" "We purchased a property" Who are the legal owners of the LLC? 

Sellers may struggle to mentally shift from "owner" to "tenant," which can create challenges with boundaries and property care.Security Deposit:If you’re doing a temporary leaseback, be sure to collect a substantial security deposit to cover potential damages and ensure they vacate on time.

If this job popped up out of the blue, your intent was not to move within the 1st year, so you may be ok.If you are planning on building a portfolio of homes, it is safest to stick in your home for 12 months to reduce the appearance of potential fraud. 

By emphasizing your qualifications as the basis for your decision, you steer clear of potential issues related to discrimination.

Smart investors first focus on finding quality properties—such as those in thriving areas of Brooklyn or potential neighborhoods around Manhattan—and then reverse engineer the process by improving management, optimizing rental structures, or enhancing facilities to make it worthwhile.