Happy to advise, but really need to know more. 

This post sounds like you are giving legal / financial advise that you do not have the credentials to give.  

Advani advises on diversifying real estate portfolios, investing in different types of properties, and geographical locations to mitigate risk and capitalize on different market dynamics.The Impact of Economic TrendsEconomic trends significantly impact the real estate market, affecting everything from property values to rental demand.

Any advise is appreciated

Tape closed every drain and overflow in the sink and tub, advise him to keep using the toilet and see if the odor goes away.

Readers are advised to seek professional advice.

It's like living in the Soviet Block in 1970.I advise against investing in HOAs because there are too many problems.

I understand how important it is to expand your presence in the online marketplace to reach a wider audience.Given the complexity and technical aspects of e-commerce, I would advise you to seriously consider enlisting the help of a professional e-commerce development company.

Thanks for any advise in advance!

There is some great advise already in this forum but a couple of thoughts/general things to consider below:-List it as many places as possible Furnished Finder, Zillow, Airbnb/VRBO (30+ day stays), Facebook groups, ALE Solutions, etc.