But every person invests for different reasons and goals. 

Yes, the fees seem reasonable.

The total cost including construction and permits (but excluding the land) comes to about $2.14 million.

the value added versus cost to add, especially in single family zoned areas, typically results in a large negative initial position.  

I personally use the mass text capabilities through my Resident RE CRM.However I have a few friends who wholesale and invest and use Mobile Monkey to mass text and from what they say the price is pretty reasonable.

A friend and I created one recently:https://drive.google.com/file/...It was meant to compare costs between different lenders, but you can use it to just see costs from one lender as well.

While the borrowing costs are higher, I’m exploring strategies where the returns could offset this.

Looking for success stories or other experiences , positive or negative, range of costs, etc.

They use leverage in some of their funds, which can increase returns, especially if they have a low cost of capital (but potentially increase risk and trigger UBIT issues).

I have other money that'll cost me 10%.