.- Replace current A/C which is from the '80s- Add insulation in the attic (this was noted in the inspection report)My utility company will not provide historical usage due to "data privacy" so I am starting from scratch.To summarize my main questions: 1) Should I add any terms in the lease, and 2) Any other suggestions on conserving energy when I don't live there?

Home is in a historic district, basement is full of mold due to leaks.

CA never disappoints ;)While interest rate is historically low, I wonder how many family is not house poor at this point.

Historically there have been more than one encryption schemes advertised as "non hackable" only to later be hacked.

Years ago I got a tax credit for doing rehabilitation on a building that was listed on the National Registry of Historic Places.

That's historically low not only for that product, but in general.If you currently live in a single family property and try to buy a mutli family property, most underwriters wouldn't believe that you're actually going to live in the property because like you said in your post, the current house is not big enough for a growing family. 

I just bought a house in historic downtown Hattiesburg!

You can see it historically even on the biggest collapse on the market in 2008, where real estate bounced right back after a few years, and it's more expensive now than it was at the peak in 2006.

Currently the government is pumping historically unprecedented amounts of cash into the economy, we have a global pandemic (round 2) on our hands, and telework is changing the way people think about living and working in one place. 

In the area where I am specifically looking (Chester County), I've been looking at the historical data for renter-occupied vs owner-occupied and the numbers have slowly risen - to me this is a good sign of an area I believe I should be looking for as I start this journey.