Unless it has serious mold or structural issues that would prevent a bank from giving it the approval for traditional financing, securing the house at all could be a struggle.

The oil based primer will prevent the wallpaper from bubbling up at the seams.

Thanks for the response @Jassem A.The 5 day notice that I found online included language that payment would not prevent me from trying to obtain possession, but I'll definitely add it to a receipt if I get paid.I'm really hoping they don't pay. 

I may just need to start socking away more for the unexpected repair and keep up with my preventative maintenance.  

I've used the product below, (delta fl + particle board + flooring) and it does a good job preventing the heat transfer into the slab. http://www.cosella-dorken.com/bvf-ca-en/products/f...

If you have a strong plan that will prevent another noise complaint then you have a chance. 

In connection with any litigation arising out of this Agreement, the prevailing party will he entitled to recover all costs including a reasonable attorney's fee.16.Zoning and Restrictions:Unless the Property is zoned and can he legally used for ___________ use, or if there is notice of proposed zoning changes, deed or other restrictions that could prevent such use at time of closing, Buyer will have the right to terminate this Agreement.Buyer will have 10 days from acceptance to verify the existing zoning and current proposed changes, and deliver written notice of objections to Seller or be deemed to have waived objections under this paragraph.17.Time For Acceptance:Seller shall indicate his/her acceptance of this Agreement by signing and delivering the same, or by telegraphing acceptance to Buyer or submitting agent before __________:01 []AM[]PM Date _______________, after such time, this offer shall terminate.18.Additional Terms And Conditions (lettered A, B, C, D, etc.)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________19.Timing:The timing of paragraphs 7, 8, 9, and 10(A) will become operable after satisfaction of paragraph 2, if applicable, and those additional conditions lettered in Paragraph 18.20.Entire Agreement:There are no other agreements, promises or understandings between these panics except as specifically set forth herein.

and maybe they can prevent him from doing this again by shutting down his account? 

I help stabilize the neighborhood by preventing the house from falling into disrepair and being held by less scrupulous landlords.

I will now be changing my business plan to implement what you said.