If you are open with working remotely, your options do increase dramatically. 

This dramatically preserves your rehab funds and allows you to pay back at a later time when your rents are there to cover the debt service.

(meaning unfinished space that can be finished or dated interior which with updates could dramatically increase rental income and property value?)

This addition has dramatically increased my +30 day stay bookings and also providing savings on hotel and occupancy tax (San Antonio requires HOT taxes for stays less than 30 days).

Since HELOCs are interest only, it might not have as dramatic as an effect as you would think. 

The neighborhoods vary quite dramatically, however, it all depends on your risk tolerance, local team, etc..

All of these potential deficiencies will dramatically reduce your buyers pool hurting your resale value and likely increasing your holding costs as it will likely take longer on the market to sell.Lastly is the numbers of the deal themselves.

Once your loan balance is over a million dollars, the financing terms improve dramatically.

In my market I have some areas where you can go 5 blocks and the strategy changes dramatically.  

You may have to discount your prices to get your first few bookings so you can get some reviews.In general Airbnb bookings, have slowed down dramatically since they rolled out the winter 2022 release.