I do all of the work except for contract review by broker and they pay for the pm software and overhead of having a physical location for the brokerage (although rents collected and owner payments are all done online).

Another useful feature is enabling online payments, which makes it easier for customers to pay and can speed up the process.

Check out other online guides available here: https://www.biggerpockets.com/guides3.

Using a HELOC is great for buying rehabs cash and then refinancing, but when buying something turnkey I would go the conventional route. 

Check out other online guides available here: https://www.biggerpockets.com/guides3.

It may also make your property more attractive for refinancing at a lower rate or selling at a profit.6.

Out-of-state investors, do you recommend a reputable online source that provides crime rates and other demographic information of cities/zipcodes?

They have a great online portal for tenants and owners.

You can also check their reviews online at Google, Facebook, or Yelp.

I would say enjoy the free insulation, you can get a window unit online and go from there.