AirDNA's rentalizer tool can provide a detailed cash flow analysis.Investment Potential: Look at historical data and future projections to assess the long-term profitability of your investment.Using these tools and insights from AirDNA can help you make an informed decision about your short-term rental investment. 

She bought a condo with lower-than-average dues, but a few months in, the HOA announced a special assessment for roof repairs.

Reonomy (Analyzing market conditions, and assessing property values) 2.

I clicked on a few and the days on market are over 2 months.I would post on apartments.com and Facebook Marketplace.

I may be an outlier here but I hate FB marketplace.

The mortgage foreclosures require the state to acquire three appraisals of the property, the opening bid on the auction will be 70% of the average assessment as the opening bid.  

Listing it “as is” with a $25k rehab concession can attract these buyers.Consider these options:List on investor-focused platforms like Roofstock or BiggerPockets or Facebook Marketplaces, where you’ll find buyers who appreciate tenant-occupied properties.Network with local investors or REI groups in your area to find someone looking for a turnkey rental with upside potential.Hire a real estate agent experienced in selling tenant-occupied properties, but adjust your pricing to cover commissions if needed.Make sure to highlight the stable tenants and ADU potential—those could be big selling points!

Even though there are multiple variables to assess here, what's the age of the property? 

•How to assess the viability of investing in resort properties, such as those in Watermark Beach Resort.

Check platforms like LoopNet, Realtor.com, Crexi, and BiggerPockets Marketplace.