Also numbers for any completed development would be much appreciated.

Store them in Google Drive or Dropbox.It will save you a lot of trouble if you develop a filing / naming process FIRST!

You just have to have the right mentality and the develop the skills over time. 

Marvin has been in practice over thirty years with an expertise in complex real estate law, including the negotiation, documentation and closing of complex financing, acquisition, development, leasing and sale transactions.

Some folks are certain it will develop significantly over the next few years.Thank you,Sean“It ain't what you don't know that gets you into trouble. 

This is a brand new strip mall, so the developer/builder is selling it directly.

@Tina Chen @Karl Haase you don't need any outside software for this.

We are looking into developing the land into multifamily (quads or duplexes), but have never done this type of project. 

Is there demand to purchase the lot and develop as a private parking lot, with the option to rent space/access to the  tenant/owner (gov't)?  

But you can always start with the CPA and move to the attorney as your business develops.