I'm comfortable with putting together estimates for the rehab, at least for the up-front financial analysis prior to getting real bids from contractors.What I'm less equipped to do is project the lease up story based on supply, demand, and other factors relevant to the area.

Did you supply the ac unit?

Another could be if you have a pinhole leak in the supply line...I'd be less inclined to assume supply just because it would probably be so wet that you'd have interior damage and a much higher water bill.

I noted the year-over-year increase in STR permits, the decrease in average nightly revenue, and the sentiment that economically-incentivized sellers would flood the market after this winter season (effectively increasing housing supply and decreasing prices).

More units = more options :).Its supply and demand.

Less supply + higher rent is what tenants really get with these new laws. 

Operating Expenses:Consider all the costs of running a B&B and event venue—staffing, cleaning, maintenance, utilities, insurance, marketing, and supplies.

The National Retail Federation (NRF) reports declines of 6.5% in back-to-school spending and 7.9% for back-to-college, with shoppers focusing on frugal choices amid rising inflation concerns and an upcoming presidential election.During the pandemic, families spent more on school supplies and remote learning gear, but priorities have shifted to travel, dining, and entertainment.

Would it be cheaper to buy supplies and pay contractor hourly or allow contractor to do it all and pay large lump sum ? 

The simple answer is highly accurate..A recent CBRE report on the accuracy of AirDNA date found it to be 97.5% accurate in reporting active supply of vacation rentals.