Never under estimate the power of good old fashioned fun in real estate.I have a couple questions/ideas for you. 

If you are not in Huntsville or Madison proper, you may want to wait out things for a minute, as some of the outlying areas are definitely tilting toward supply exceeding demand now.  

A common issue is supply and demand effected by population changes, construction, economic issues, the job market and location.Personally I haven't seen vacancy issues at this time,  but I have gone through cycles of vacancy issues.

Wealth 212 and a few other companies that the partners own are behind the brand and supply staff).

I would recommend that you lease it from her at market rates in an arms length fashion. 

There is a lot of pent up demand due to high rates and there is still a major lack of new supply.

If you want multifamily then looking at new apartment construction in the area, is there an over supply or under supply. 

Who is making money off this - other than the people that supply the Hemp...?

Demand for duplexes has kept up with supply and then some.

Supply and DemandIn real estate, prices and rents are determined by the imbalance between the number of buyers and sellers.When there are more sellers than buyers, prices decline until there is a rough balance between the number of buyers and sellers.When the number of buyers exceeds the number of sellers, prices increase until there is a rough balance between the number of buyers and sellers.Rents follow prices.Higher prices reduce the number of people who can purchase, increasing demand for rental properties and increasing rents.Lower prices enable more people to purchase, decreasing demand for rental properties and decreasing rents.What determines demand?