The city approved rental license inspector essentially just tested to make sure there was access to hot water, access to heat, no unsafe conditions like exposed electric wiring, CO/smoke detectors present/functional, fire extinguishers present/not expired, etc.

Once you have a shortlist, sign up for an account with each one and test them extensively to see how they function.

Would you replace a current functioning 1000 gal septic tank to a 1250 gal tank in order to list my flip as a 4 bedroom as opposed to a 3 bedroom.

It' a function of price now, and if you can find a deal that is priced accordingly, then you buy it, especially if you like the fundamentals long term

The difference in being able to apply more money to the HELOC functions exactly like making a big chunk payment to a mortgage, which significantly reduces the interest accrued over time. 

@Jenny Milu Start reading online about the function of the Airbnb algorithm.  

You might have a capex report by location and function.  

Zoho has an in-built dialer and can integrate with SMS services, offering a good balance of functionality and ease of use.Each of these CRMs has its own set of strengths and potential limitations, so I'd recommend taking advantage of any free trials or demos they offer.

Insurance going up is just as much a function of natural disasters, as it is the massive fraud in the industry.

Once you have a short list, get an account with each one and run them through the wringer to see how they function.