I recommend seeking a few opinions on this matter before getting into contract and wasting your time.

Target neighborhoods near Bradley University, research rents, join real estate investment groups, connect with local agents, use the 1% rule, prepare for financing, and seek advice on cash flow and property analysis.Good luck!

If she's currently on Medicare but is trying to qualify for Medicaid, in some states the home can be kept if there's an intention to return (thus the allowable "caretaker"), but it will be subject to asset recovery upon their death, making it hard for the family to keep the home. 

My primary focus is on Wholesaling and Rehabbing in NJ and PA area.I’m eager to learn more about strategies, best practices, and the challenges of real estate investing, especially from those with experience or breaking into the market.

Search the post on BP and you will see all of the nightmares that owners have had to deal with.

The property had an a small house that was falling in but the well and septic on it are all good.

Based on the wording of your post, it appears you're passionate about Affordable and Workforce Housing, would that be true?

What would a half bathroom add on a mobile home?  

Especially if you get a long term resident in the ADU and then you might can utilize them to help on your turns of the MTR. 

if your doing a senior project I would suspect your best and most cost effective landing solution is going to be a local community bank that loves real estate.. in my experience most will want 50% down on the dirt and a ton of experience and a really strong balance sheet.Myself I always pay cash for the dirt this makes finding a lending partner much easier.