I don't know NY law, but in AZ, you may send two certified letters. 

So yes, get a good General Contractor and have him bid it specifically to what you want. 

This factoring includes the presence of competent contractors who can limit unforeseen surprises and costs.Myth 2: They're Too Risky to Invest InThere is risk in any investment; however, distressed properties are not inherently riskier than any other real estate investment.

You will also need to vet out contractors in the area to ensure you that they can stay on top of your project and will do what they say.

And if the deal itself isn’t solid, no contractor can turn it into a win. 

If the drywall cracks in the next year or two, or the doors start to stick, then you likely have a larger settlement issue going on, and will likely need to call a foundation repair contractor. 

They can also guide you in choosing properties that appeal to dependable tenant demographics.Access to Reliable VendorsProperty managers have established networks of cost-effective contractors for renovations and repairs.

This will vary depending on if a handyman can do the job or a licensed contractor is needed.

My management company has recommended sending in their own contractor to make repairs as the tenant has concerns about mold growth. 

Hello, my name is Sergio Vasquez, I am a builder/contractor in British Columbia, Canada.