What alternatives are there to make a more cost efficient heating system?

Just because you  start small for your first deals does not mean tbat is where you have to stay. as you make money and learn you will be able move on to a larber multi familt project with much more efficiency than if it was your first.

(There are also operational efficiencies with a larger property too, which is another consideration.)Thanks!

Also, anybody have any tips to be as efficient and quick as possible when building your portfolio?

@Armin Nazarinia someone can operate a flipping business out of an LLC but many times it is more tax efficient to do it in an S-Corp. 

The heat is natural gas furnace - pretty efficient.

She is efficient in getting you the best rates and closing promptly.

I am interested in creating a sustainable business and building an efficient team. 

When you all are buying lists or collecting parameters for your data, what filters do you find to be the most efficient?

Trying to figure out the most efficient way to do all this and ensure a seamless (ie minimal pay interruption) transition.