My company owns about 3,000 MF units, along with some retail, industrial, and Assisted Living. 

I am looking to buy a multifamily in Jersey City for STR, any suggestions, what area will be good for STR and weather number make sense at this time.

If Tampa is on your radar, I HIGHLY suggest you connect with him. 

What or who do you suggest I speak to or learn from to better understand my options for mortgages?

Nostalgia for retail centers and the need for hybrid work environments are sparking opportunities in undervalued assets and multi-use developments.Seller Strategies: Sellers should think creatively to attract buyers.

I like @Tim Delaney suggestion. 

Your potential buyer suggesting you terminate the contract and them paying you a fee does sounds fishy to me.

They can help assess the market value of the property, considering its condition, and suggest the best sales strategy.Direct to Investors or Wholesalers: While 'we buy ugly houses' companies often offer below-market rates (as they typically look for deeply discounted properties), reaching out to local real estate investors or wholesalers could be a worthwhile option.

I’m interested in learning about buying and holding long term rental properties.But I’m in a really messed up situation right now and looking for suggestions what would be the best approach to my situation in order to scale quickly. 

Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).