The benefit of having a software is that you can always go back at your historical data in case you wanted to do some analysis on your business. 

There are lots of different types of "dementia"...it sounds like they are moving toward the adjudication process of formal guardianship, which is likely the right thing to do.In the interim, you can explore different types of guardianship, like "ad litem"...just consult with an attorney and I'm sure you guys can figure something out fairly quickly. 

@Tara Faulks post your data happy to help validate it.

The article tracks where millennials are flocking to over the past 5 years according to the most recent US Census data, published in Fall of 2018.

If there's a hole, it may be a red flag.b) sensitivity analysis: I examine all the assumptions, and make sure I can live with the worst case scenarios.c) "Stall and see": if they are getting money over multiple years, and there is no penalty for investing later, I would usually wait so I get some real performance data, versus having to look at theoretical pro forma information.d) Recession stress test: I will not invest in anything, until I subject it to recession level stress and see if I can live with the result.

You should explore tax saving strategies on your existing equipment rental business, if not already.5.

Appraisal will be based on market data and property condition at that future time.

I've been exploring options on how pay for this expense and renting out their home seems to be a good financial option at this time.

Once you understand that, (risk tolerance, your active involvement, your cash or finance  availability,  you knowledge of construction, investing, market data, your trust in the team you have developed and vetted) you can then look at the best way for you to purchase.

@Vinay Kolluru, there are SOOO many variables that making a recommendation without a property data tape would be criminal.