However if it will cause a loss on your tax return you can't take 179.

However in general I would find out what is causing the "spot" on the ceiling.

The home prices are so expensive here, it's very hard for the first-time homebuyer to afford, and the inventory is still quite low which seems to be causing prices to continue to rise. 

The taxi company incorporated each car separately so with the car being totaled there were no assets to go after.I am definitely sticking with my LLC but it did cause plenty of initial headaches and additional expenses.

What did get me nervous, however- is when I was searching online... there were numerous sites that said uneven tile could be the cause foundation problems (house settling too much, etc.), and I don't know much but I DO know that foundation problems are something that I really, really want to avoid (especially when paying at / a tinyyy bit above market).Question is- with the house looking in otherwise great condition, how can one spot a foundation problem? 

Because of that it would cause sweeping changes across the state in places that have fundamentally different markets than Portland.

Regardless of who closes the transaction, your contract should specify that you get free and clear title (implying all of the liens and encumbrances get paid out of the seller's proceeds at closing) and an owner's title policy (meaning if anything comes up later on that might cause a cloud in title, you are insured for up to the purchase price). 

Many experts suppose that the deferral of marriage and children has only caused Millennials to put off moving to the suburbs and buying a home.

Those houses caused me lots of pain both mentally and financially.

Assuming that the glue you're describing is fully cured and bonded well to the subfloor, but just has a tacky feel to the touch, I would probably just install the backer board material over the glue, as long as there are no very high "peaks" in the glue that would cause uneven contact or bond between the plywood subfloor and the backer board.