If it's grease I've had good luck using either the drain cleaner someone else listed earlier or dishwasher detergent with hot water, let set overnight- it's the strongest detergent you can buy, but won't damage plastic pipes (can work on slow toilets as well, since it breaks down, er "food").

I'm not sure how to get in touch with you since Bigger Pockets blocks posts that attempt to share email of contact info. 

If the house is going to a sheriff sale, the foreclosure process is well under way as is the damage to her credit.

"I have video of your kids doing the damage.

an damaged microwave , it smoked from overdraw with running 2 freezers off a unauthorised surge strip outlet on 15 amp an extreme overloads with 6 strip outlets an wires running out door [ many major  fire codes violations] Can the cost on electrician ,that proved the circuits were overloaded   - [an he warned her on nec an fire  codes  an dangers of her overloading outlets, an  the wires going out front door]    on that 15 amp she illegally ran a strip outlet w freezers  an other circuit w 15 plugs on 1 -- be deducted along with the microwave replacement cost since it popped an smoked kicking breaker by her unauthorised freezers?

Note, even if insurance pays for all the damage your property suffers, you still lose.

Most require you to wait for a quote and Im trying to move faster than all that.Recent Lesson Learned:  If your treating butcher block countertops or wood shelving, consider "waterlox" because it really seals in the wood while maintaining its original authentic appearance. 

The home sits on a 1 acre mostly-flat, square, and mowed block at the end of the street.

It's block by block but plenty of nice blocks exist. 

Operating expenses include (but are not limited to): taxes, insurance, management, maintenance, entity maintenance, advertising, utilities (at least during vacancies), legal fees, damage done by tenants (over the security deposit), vacancies, setouts, lawsuits, and capital expenses (not technically an operating expense).Stated another way, the 50% rule, which is generally considered to be fairly close to actual expenses, states that …50% of your gross rents will be taken up by expenses, such as property tax insurance vacancy property management maintenance capital repairs legals and accounting.From the remaining 50% you service your debt, if any, and the remaining is your profit.