For people who anticipate moving regularly, buying may not make sense.

The interest income from a loan payment is regular income, not capital gain no matter how long you have the note in your portfolio, and this is why I buy notes in my SDIRA for my personal portfolio.

My question is, what should I look for in seller financing, ask about, avoid, would I use the same PSA as a regular purchase, etc.

Make sure that they will return your phone calls promptly.Track all of your income and expenses in report form and review them regularly with a few others you trust and want to see you succeed.  

Once that goal is attained, we'll see where I want to go from there!

Just regular mail since you don't have an office is fine.

Most of our house is kept fairly cool but we regularly turn on a gas fireplace to warm up a room we spend most of our time on.

Put in good products and do regular inspections and twice a year HVAC servicing and you will minimize issues.3) This is taken directly from my lease.

It’s been almost a year since you posted this, but I’m wondering if you guys do anything on the regular now?

After THAT, you'll also have a regular inspection contingency in your offer.