Is he running a very established business, lots of web presence, social media, referrals through “next door” type boards, to go after in small claims court.

Additionally, It is noteworthy that the seller was a member of the HOA board at the time of obtaining this permit, raising questions about the legitimacy of the process.Though I am not currently residing in the apartment, I took the initiative to rectify the flooring issue in cooperation with the HOA, given the significant disturbance experienced by the current residents due to the subpar quality of the previous labor.Furthermore, short after I bought the unit, I discovered an assessment imposed on the condominium, which I was not informed about prior to purchasing the unit.

Fix that wobbly deck board asap @Amit Shukla!

It's also important to ensure your property is presented well with professional photographs and possibly a virtual tour.Additionally, expanding your marketing to social media, real estate forums, and local community boards could help increase visibility.

Chalk it up to one of life’s experiences.

One last tip, make sure the base boards upstairs are not touching the floor, even just 1/8 inch gap is good.  

Heavy rehabs or rehabs that are bigger than the purchase cost range from not allowed to case by case to no issues, so all over the board on that issue.

You were interested when it was $20k more either this is now a good deal or you really need to go back to the drawing board and learn what properties are worth.

Does your local board of health, building and zoning departments allow hair salon businesses to be run out of private homes? 

Can I ask that it be boarded up and/or covered?