What are the legal aspects of forming this fund?

You just need to wait until you reach the legal age. 

How have other young investors handled getting started without much saved and with some student debts?

So, if i have two properties I am doing with an fellow investor, we have two separate JV Agreements identified by property address, tax id and legal description.

Resident deposit into bank account.Charging credit card mark up fees is not legal in Bridgeport Connecticut. 

I was going to ask that they tread lightly to avoid legal recourse by the tenant if they try to run up the fines, but my main goal is getting a number so I can recoup.

Later, he replied he would still pay rent until his legal issues with her resolved.

I want to make sure everything in my first deal is legal and protects me in case of any problems.

You have to offer some kind of skill (such as financial, legal, or construction) and/or cash.

ADUs are still fairly new on the east coast so there's no precedent for this kind of thing that I can find i.e. using a Homestyle loan as an investor to build a new, detached ADU.The downside of the investor choice is I can't legally live on the property unless I disclose this to my lender.