Even just powering the common area with a small system can make tenants happier however, and it makes the building feel more modern even if it's an old building. 

And a brand new modern brick building.

However, as an exit strategy, I am going to refi if I cannot sell the home in a timely fashion and pull my $ back out so I can do it all over again.   

You will get there.The best properties to use the BRRRR strategy are almost always distressed in some form or fashion. 

More modern systems support (i) storage of video stream in the cloud with some minimal automated analysis, and/or (ii) remote access of a video livestream, but someone needs to sit and watch for activity. 

But we know (or think) that in order to do this we need more hard capital.So we've begun to look into wholesaling as a means of generating incremental hard capital to add to our pot, and as a great marketing, research, and team building exercise.I understand that this is a lot but any insight on the below topics would be extremely appreciated:-how well group investing in the fashion works-how strong of a an option wholesaling is in the DMV (DC, Maryland, Viriginia) or Baltimore-legal/due diligence advise in creating a partnership-what investing as a partnership vs an individual means for financing options & incentives (first time buyer, etc)-tiny home movement in the DMV or Baltimore, and how/if that increases vacant lots/land as a more viable investmentThanks!!!

As far as being modern or not... you may have a dated unit in great shape which a "good tenant" will respect.  

Looks super classy and modern

The mid century modern style similar to the palm springs area is pretty popular here and a pool is a must.

Galvanized pipe...old stacks were made out of copper (rarely), galvanized steel (never up here, maybe in Tampa), or cast iron (much more common), modern stacks are made out of either PVC or ABS pipe.