Maybe the P trap under the sink is not filling with water correctly and allowing sewer gas to come back in.  

I am also not a CPA but @Avery Heilbron is correct.

Am I misinterpreting the purpose of the ___ fields, and they just mean "modify this in some way", and in the (G) instance the correct modification would be to delete the payment types which aren't accepted?

If it's on your credit, you are on the hook for it.However, it shouldn't effect the loan process too much, a simple Letter Of Explanation should be able to get the job done with the correct investor. 

@Charles Perkins is absolutely correct about "collecting all receipts, properly tracking all income and expenses and your basis for all assets properly documented and recorded."

There is enough demand on the north side you should never have a tenant issue if you do the correct due diligence.Secondly, lots of fake applicants lately.

For the HVAC, I'd just question if that's the correct and best way to go about it, but I'm not an expert, but certianly you won't get interest listing a unit for rent or sale without HVAC.

@Troy SmithThe advice you received is correct.

Asking in the correct forum will get a better response.Read the RULES!

Converting your condo into an investment property and transferring it into an LLC is a smart move for liability protection.You’re correct that retitling the property involves Chicago’s transfer tax, which can be substantial.