@Stephanie Garcia As an FYI for the central heat and air I had put in on my rental ran me ~12k the unit was 1147 sq ft 3 bed 2 bath, this included all of the ductwork and install of everything.  

The asbestos duct wrap in another house has been sealed with paint and then we installed a chase box around it, so it too is not hazardous.

I have a "no pet" policy in all homes, except for one in which I installed ceramic tile throughout the home.

Buy the door and install it yourself.

A cash funded loan is not an installment purchase contract

The tenant who lives over there installed light switch using metal cloth hanger....  

Paint this facia, floorjack the basement slab, install baseboard here.  

I don't care to remove every single wall and gut it from top to bottom, if the plumbing and electrical are OK I will keep it.My whole gut renovation thoughts were based on making it look as nice as possible while minimizing energy and water bills as this building is a half hour outside of Manhattan so utility bills can get wild.I'm focused on doing the following:-Installing new energy efficient windows-Wrapping pipes to lower heating and hot water costs-Installing a high-efficiency gas boiler-Putting on a new roof-Installing low flow toilets, showers and faucets-Ripping out sheetrock and double insulating the walls that are most exposed to the elements.I'm not sure if that qualifies as a "gut rehab" but I know the scope of work is significant.I'm just assuming it will take around a month per unit to put in 6 new kitchens, bathrooms and sheetrock and put in the new boiler.As to the layouts, I'm working with the city to get a chance to go in and take a look but I won't be changing the layouts.

Back billing would be quite a bit cheaper, but you still need to install meters.  

They're fine for rentals in my opinion and easy to install. I