Maybe sweep a bit first, add an air freshener and a pretty looking plant at the top of the stairs (check with your staging guru on this one though) 

if you're going electric I don't think you can beat these....probably 1/4 what it cost to run baseboards.and you have air conditioning too!

It was common in some countries to open windows for fresh air even in winter. 

The fact that we literally provide one of the most important commodities outside of like, nutrition and air!

If you insist on one of the options above I would go with option 1 and continue to enjoy the air bnb cash flow and allow the equity to grow more. 

The walls, fans, and air conditioning units were covered in fur and there is a greasiness all over the cabinets with fur imbedded in it.

I have a ton of tools in storage that I need to move in; welder, air compressor, wood working tools etc.

Within the last 5 years, the water heater has been replaced, a new roof has been installed, radon mitigation system installed, central air AC system installedMy analysis: Assume purchase price of 100K, 3K closing costs, 25% down @ 5.25% interest (quote from local bank), $600/yr insurance, 1600/year property taxes, 5% of monthly gross income for vacancy, 7% for repairs, 10% for CapEx Below, I've shared my analysis document.

FRED data suggest stabilization is House price in top 20 US metros...But still new construction is historically low and increase construction price will create more pressure on this...Looks like market will move slow but will not crash...

The air conditioner has not worked in about 3-4 days.