They have provided us with actual data quantifying how much a certain amenity adds to your short-term rental revenues.I tell all my STR investors/second-home buyers in Colorado to get a hot tub, for instance, but while I know you do better, it's been hard to put numbers to it.AirDNA's March report has tried to tell us how much more revenue a home with X amenity gets over a home without X amenity.

As long as you do the accounting correctly, you account for it.

They are ignoring my correspondence which is not like them at all.  I

I feel in this market it is difficult to get outsized returns (S&P seems very hot and might be hard to sustain 7%+ returns in long term.. but even if so, I’m risk adverse so would probably keep it my HYSA)I did run the numbers if I were to prepay $60,000 now and it appears the IRRs are lower (because of the higher cost basis).

Examine the terms of financing. for keeping a rental property as opposed to selling, and take long-term investing objectives into account.

In other words, sufficient capital for the cash purchase of a property (plus rehab) and eventually refinancing the completed project to a long term loan.

@Bunmi Joo Yes we do short term rentals ! 

Yes, I have contacted a few lenders to find the best terms/rates.

I haven't seen any lenders willing to do second mortgages, especially to get up to 100% (or anywhere close to it) of the purchase price for an investment property in a long, long time. 

An additional benefit of a detailed engineering-based Cost Segregation Study is that it can increase potential insurance premium savings as well as provides support for the property tax appeals process.Additionally, it can help maximize renovations and improvements.A Cost Segregation study is an IRS approved federal income tax tool that increases near term cash flow by utilizing shorter recovery periods for depreciation to accelerate return on investment.