Quote from @Ryan Fox: @Trent Davis- I bought the property last December and didn't notice any foundation issues at the time. 

When I bought my place, at first you could tie the sewer line to the main house.

A strong buyers market indicates sellers price cutting and listings being bought under value which would lead to equity losses. 

Despite the fact that my decks were up to code when I bought them I have had my insurance company do inspections and make me install lag bolts on many things that are in my opinion fine.

To debunk it, we're going straight to the source — the IRS.The IRS says to keep records for your business tax deductions indicating:What you boughtWhen you bought itHow much you spentAnd guess what?

And remember: if you bought it now, you won't be buying it next year, so you basically rob your next year of this tax deduction.

I once bought a house that was so terrible of cat piss that you virtually couldn't go in without a respirator and I thought I'd have to tear out the subfloors to fix.

Quote from @John Williams: I recently bought a home that has an attached dwelling unit where Im planning to move in and rent out the main unit.

Another angle to consider is to look for turnkey companies that are selling completely renovated properties and have also bought down the interest rate.

I’ve bought my primary with various Schedule C income and refinanced a primary with lots of schedule c and a number of properties (mostly owned in LLCs but reported on my personal return).