How is taking it off the rent a solution for them?

you had to bring up  year old thread to suggest a solution to someone who likely is no longer looking?

Have your broker write up a repair addendum with the preferred solution and have all parties sign it.

...I have no idea whether it would be legal to have this in a lease, so you'd want to check with an attorney... but if it is legal, then that seems like a reasonable solution...  2. leases usually have sections describing cleanliness requirements, and this mess would probably be a violation...as others have mentioned, when the tenant leaves, they'll probably also leave you with a giant cleaning bill if you don't take action first...3.

Would the solution below work, and if so, what would the limitations be?

Hi Tyler, A blanket loan may be the best solution for you based on the price points of the properties you are targeting like @jacob Sherman suggested. 

I have seen and recommended to most of my investors that solution which help you reduce the stress, without the needs to go to a property management solution. 

The easy solution is using a conventional loan with a low down payment.  

These loans are structured with a combination of a first mortgage from a conventional lender (typically covering 50% of the project costs), a second mortgage from a Certified Development Company (CDC) backed by the SBA (covering 40% of the costs), and a down payment from the borrower (typically 10%).Bridge Loans: Bridge loans are short-term financing solutions used to "bridge" the gap between the purchase of a new property and the sale of an existing property or the availability of permanent financing.

For developers & investors in North America, there is a new route to market leveraging on proactive product based offsite construction solution.