I am in the process of remedying that, in the meantime, know that I am of European descent and that the Irish/Scottish portion of my ancestry has manifested itself most prevalent.

If departing Tenant is owed any portion of the deposit, he is to work that out with the remaining tenantsEveryone signs, they pay me $50, I collect the key, and then I remove the tenant from the lease.

You need a LLC to do the operational portion of your business for liability protection, but you can own each investment in a series trust that can reduce the complexity of owning real estate in separate LLC's.

If it were me, I’d return any portion of the security deposit due to the sole surviving tenant named on the lease and let the daughter take it up with him.

The interest portion of that payment was for the previous month, not this month.

My gut tells me you will have to "allocate" a portion of your sales price to the land and any improvement made more than 12 months before you sold and then allocate a portion to the buildings you put up within one year of selling.

State late stipulates that if it is exactly on property line the neighbor gets a say, and can also be billed for a portion of it, and taken to court if not paid. 

Is the entire lot the 12x100 strip or is that like a panhandle portion with the rest of neighbour A's lot accessible through his own property? 

However, I wanted to take it a step further and have me living in the basement (I really do not need much more than this) and have them rent out the upper portion.

Ultimately a house and garage for us, rental cabins for the investment portion.