You will have other costs like paying the city for registrations, inspections, licenses, etc.

Once inspected and I’m either ok or not ok with it I’ll spend my money on that. then I would move onto a/c, insulation and windows.

Make sure to get a thorough inspection and walk through of the property, Brooklyn is a place where you can get a lot of crap for $1.6m and someone will take it.

Question: I'm looking at an investment property that the inspection report notes a bat colony in the attic.

., delays in inspection, appraisal, financing, etc). 

That's a huge underserved market for an entrepreneurial realtor to create a niche in.But, just like painting, and inspections, and escrow closings - It's better for you to have experts on your team than it is to be an expert in the field. 

But that alone could be 20k and it needs to be done by a licensed contractor..I didn’t have much of a scientific break down of the rehab estimate more orless just relied on experience working in residential construction and inspections but after seeing it myself I really like the property.No I have not confirmed natural gas is on the street.

Suffice it to say that any gas utilization equipment found to produce elevated/unsafe levels of carbon monoxide in flue gas is normally considered sufficient grounds by the gas company to shut-off gas to the property in addition to 'red' tagging gas utilization equipment responsible until such time the condition is addressed and no longer considered a threat to the life and safety of the building occupants.CO Poisoning Goes Virtually Undetected in a Professional Office EnvironmentIt's a cold, sunny Saturday afternoon in February and I've been given a reprieve in the weather thereby allowing me to use an outdoor scissor lift to safely access/observe a flat roof 24-foot above the finish grade (pertaining to the property for which I have been hired to conduct a PCA) without having to contend with rain/snow and below freezing outdoor air temperatures preventing a visual inspection of the roof much less conduct a higher level due diligent assessment of package rooftop units since gloves cannot be worn as they tend to interfere in attempting to access hidden system components such as air filter elements, blower fan motor assemblies, serpentine tube heat exchangers, etc. typically concealed from view in conducting a baseline PCA.

The only deals I've had fall apart recently have been when there were significant new issues discovered during an inspection or a very low appraisal.

What kind of inspections are you doing?