You can estimate between $43500 to $50000 for material & labor depending on the contractor.

For me it would really depend on the numbers for that property and what I intended to do with it later. 

What policy we used depends on the extent of your involvement. 

It all depends on your market.

That depends on state law, so it's a state specific issue.One thing they can probably do is fine the homeowner lots of bucks and make it cost prohibitive for the homeowner to rent to Airbnb.Then they can put a lien on the property and when they go to sell it, have fun negotiating with the HOA.

That depends on how much equity you currently have in your home.

There's also the aspect of lowering your tax obligation, which may or may not be significant, depending on your tax bracket.

They already have relationships with trusted contractors, leasing agents, and some have property management in-house.BRRRR can be a good choice, but it all depends on how much time you have to dedicate to the project, and how far away you are located.

It all depends on what comps you’re using to prove what buyers are willing to pay for a property.

Most areas like whitehall or other areas of columbus haven't appreciated at all and sell for the same price they did in 1990s. depends on the area. but whitehall might be a bit more, just depends where it is exactly. rent seems correct. property management seems correct. did you account for turnover?