The importance of lowering expenses and increasing efficiency to maximize property income.

End up with all cash and little to no tax.Your wealth snowball ends up a lot larger 10 years down the road when you make and keep your money in a more tax efficient way.

For anyone that has used Lead Sherpa, are there additional costs for things like this?

Therefore it's quite normal for a design change to be an additional service fee. 

Some of the features I am looking for (most likely there is not 1 single vendor who has all this built-in, but more of a technology stack that integrates nicely)Would something like propstream, carrot, and kixie be powerful enough to get rolling out the gates and still be efficient in your eyes?

We are looking at investment properties in Brooklyn, and found one we liked and want to add an additional floor (two stories as of now, would go to three), but the zoning is M1-2, which is commercial.  90% of surrounding properties are multifamily residential as well.

Property management....it just make business sense as a leverage point for efficiency of your time. 

It includes high-efficiency HVAC systems, contemporary LED light fixtures and multiple tankless water heaters.

Cost Overruns: After the final payment, the contractor claimed there were additional costs of $60K.

Additionally, educate yourself on disqualified persons and prohibited transactions.