As this ripples though, it's impossible to imagine the Federal tax rebates won't diminish.Also, none of the utility companies are complaining about this.

If you are new to this and want some intro material, I'd suggest looking at Jefferson's Lilly's podcast or some articles from Mobile Home Park University. 

As of right now, two of the units (a duplex) have utilities covered in their rent.

Now I’ve been sitting in the property waiting to sell it, and paying holding fees to my mortgage company and utilities, etc.

NEVER give anyone the keys until you have all move in fees, money due you in your hands and utilities (if they are to pay them) placed in their names.24.

.- Reducing utility expenses through either separating meters or if you can’t, convert all fixtures to low flow.

I would suggest being present when this happens so you can see any issues yourselfGet copies of current lease, operating statements for 2 years, any appliance/HVAC/Water Heater purchase receipts, utility bill copies from the sellerDecide what you're going to do for property management.

Check with the code enforcement office to find out exactly what kind of materials you will need to use for a secondary egress.

The gist of the episode was that paying utilities can kill your bottom line.

Who pays utilities?