A distinction with a considerable difference.

They are too dangerous.

Unless the property is in imminent danger of destruction or some other similar measure, 30 days notice is pretty standard in this industry.

To manage a rental property DIY I assume you mean doing fixes on your own, but that can be very dangerous because you don't want to spend multiple times for the same things and get those calls because it wasn't done correctly or to code.

I got the distinct impression she went to a weekend course and stopped her education there. 

A separate meter is generally considered a separate unit distinct from the primary home, so it can usually be rented long term with no issues.

It’s way too dangerous to travel south of I-30.

Look up the dangers of black mold to your health.

Aug 17 posted 30 day notice to quit, squatter says he's actively looking for new placeAug 23, 2021 local power company posted 3 day notice to pull meter (or bring in contract, which squatter does not have)Aug 23 was last day we saw squatter living at cabin (we can see from our living room windows)Aug 26 power company pulled meterAug 27 CPS agent comes and documents living conditions Aug 27 posted a 7 day notice to evict due to hazard/danger/health conditionsAug 30 squatter and former tenant (she was in jail since Nov 2020 and this was her first time back on the property) stop by for 10 min, leave with an armful of paperwork, leave behind 4 flea bombs (the house is FULL of food waste and dirty clothes).

This is natural gas and if not done right could be dangerous.