At some stage, no rush as I know most people here have busy lives and day jobs, would be curious your views on the commuter rail extension to New Bedford.

Keep in mind this document refers to commercial multifamily and not SFR's.Two different investment vehicles.

I also fully max out HSA and any other tax savings vehicles at my disposal.

If the property is in an LLC or any other type of corporate vehicle, or if it is managed, I would advise whoever is managing the property to get a debt collector's license in Illinois or at least include the language that "This business may be deemed to be a debt collector under Illinois law." 

The primary driver is that you are pooling capital from passive investors and offering them a return.As noted, securities attorney and either tax attorney or CPA that understands your vehicle would be your next steps.

The site will also have a solar power setup where the building will store its own energy....The company produces battery cells, which can then be put into a variety of different forms, including for use in electric vehicles including trucks, boats and drones, and can also be used for energy storage, including for solar and wind power that needs to be stored and used at a later time.Arizona is a growing hub for the production of electric vehicles and its batteries.

What is the best way to fasten railing into plaster walls? 

If they have billboards around town, wrapped vehicles, salesman, then you are just paying premium prices because they have a lot of overhead.My advice if you don't want to DIY is this:1st.

The negatives include the age restriction, the fact that most communities require an application contingency to be part of the sale, the transfer fee and the fact that many have restrictions that dissuade a sale such as no rentals unless you have lived there for a year and vehicle restrictions (no pickups, no motorcycles, etc.). 

Examples are: construction equipment, vehicles, and rental properties.