I contacted the city to get all permits and the only one was one that my contractor got that I paid for.

Connecting with local contractors or experienced investors in your area is also very helpful for getting accurate numbers.For ARV you’ll want to look at comps; You can start on Zillow or Realtor.com but I highly suggest connecting with a local agent.

The other hurdle is to find a contractor, that is something that you can do as well.

I need to find a rehabber or contractor to work with on these leads.

Does anyone have a good contract or outline of terms they like using with contractors? 

Electric heaters are dangerous and can start a fire if left unattended.

Make sure there are no Federal Pacific electrical panels. 

Avoid any self-help eviction tactics like changing locks.Maintenance: As a landlord, you’re responsible for ensuring the property meets basic health and safety standards, including working plumbing, heating, and electrical systems.Inspections: While there are no mandatory inspections required before renting, your property should comply with building codes.

Quote from @Hunter Hanlon Taylor: Hey, all, is anyone familiar with any good contractors near the Columbus, Ohio area who would be good for various updates I need done on my STR this winter? 

And working for a contractor that does flips or rentals would be ideal.