If she paid up, why would she move out at all?!?

I am very familiar with home sales, having moved 5 times and bought and sold 6 personal houses. 

Most new development is well over this mark and, since there aren't likely to be many more complexes built that offer decent living conditions for lower-end rents, there is probably some room to raise Class B/C leases in the coming years as more people move into Louisville.And, if things do decline, the "luxury" crowd is going to be looking for cheaper digs. 

If for example the seller owe's $300k and the buyer has $300k to put down, the sellers lien would need to be paid off and closing costs and RE professionals paid before the seller could move into the first lien position as lender. - Seller is a business person.

and break even when you move out in 2 or 3 or 5 years. 

@Derek Gardner looks like you have several moving parts here. 

Get a move on there!

There has never been any legal documentation on the well being shared.Fast forward a week, I close on the house and a day later there's no water.

That might be do-able in a very low cost of living area or moving out of the USA to another country.

My goal for learning this skill, is not to just underwrite my own deals, but also to have something of value to offer a potential coach, mentor, or partner going forward!