They have the clout and the lobbying power to sway congress just as monsanto buys off politicians to get their anti gmo labeling laws passed or big pharma suppresses any non drug unpatentable natural/organic preventon/cures as there's no profit in health.

Therefore, having more money set aside to account for these instances will help mitigate some of the risks.Confirm if the property is separately metered and who's responsible for paying the water, sewage etc.

People will start spending like drunken sailors because they never learn and assume the government will always be there to bail them out (despite the fact our government is the cause of the mess, not the cure).

Assuming this is the right contract, there are two sections to look carefully at:217 Right to CureThis section gives you the option in your offer of choosing if the seller has rights to cure and you can fill in the number of days.

As her portion to pay includes a basic allowance for utilities and if they are high, they will do a one-time or ongoing change in what they pay.That said, just send her a notice to cure or quit and copy it to the housing authority (which your lease with them requires).

But, depending on where this property is that you're interested, if you think someone might rent from somewhere they're used to city sewage systems, there might be more problems.  

Please understand that serving a notice (be it a pay or quit or a cure or quit) is not an eviction, rather it is the BEST tool you have in your landlord toolbox to establish 1) that you are the "landlord" and they are the "tenant" and you mean business and 2) that there are terms and conditions per the lease agreement that they are legally obligated to abide, such that if they choose not to abide they can move out ("quit"). 

.- Clogged sewage.

Typical utilities for landlords include water and sewage, trash, and lawn care.

Send a notice to cure to both the tenant and co=signer.