Especially if you live in an area with regular freezes.

What happens if it doesn't sell for months after they finish; they are going to be calling you regularly asking for their money.

In my town the likelihood would be the inspector was looking to be greased, they get led away in handcuffs regularly.

I don't know why your oil boiler is a PITA, but regular service from your oil supplier is often free, is it being serviced yearly? 

Nothing would be a deal breaker alone, but factor this level of expertise in when evaluating the complete picture.For example, a big problem that I've seen is if a single tenant building is applying with a regular lender, sometimes they apply a vacancy to their own DSCR (Debt Service Coverage Ratio), and they apply a vacancy factor for a single tenant building, which is just wildly inappropriate.

Remember relationships are built over time, so it may take 3-5 years of solid membership and interacting with your bank before they know and trust you enough as one of their regulars.

Again, the BiggerPockets store has some books for this or you can learn by watching podcasts, reading blogs, and interacting on the forum.

I think interacting with tenants is a very useful experiential learning opportunity.

Schedule open houses regularly (believe it or not, I schedule daily showings at a fixed time) - Your desired tenant is probably looking at other places so make sure they can see your house when they are available.4.

Taking a quick look at Form 4868 seems to support this (though maybe you can avoid the late payment penalty if at least 90% of your total tax had been paid by the regular due date):  https://www.irs.gov/pub/irs-pd...Here are the relevant form instructions that I'm referencing:InterestYou’ll owe interest on any tax not paid by the regular due date ofyour return, even if you qualify for the 2-month extension becauseyou were out of the country.