If she means October's rent, then you will prorate it for the number of days she's there, but she must pay up front.She was given instructions on what to do when it was only restricted to one small piece of furniture and when there was no evidence of it anywhere but on those two pieces of furniture and I'm guessing she didn't do anything AND she kept the furniture with the mold on it allowing it to spread.

I plan to to rent it for 3500 when the time comes (first floor with basement)We are currently looking for our next multi family but just need to figure out the best route forward for financing the purchase.Use our own money, tap into the equity here, refinance here out of our FHA to roll into another one at our new property, go the Fanny Mae route with the 5% down Multi Family home loan program. 

This program could certainly be beneficial for house hackers, but on a policy level, it’s likely throwing good money after bad.

PGW which is the gas provider in Philadelphia offers  the landlord cooperation program.

Additionally, ALE Solutions (housing relocator) offers a "Preferred Landlord Program" for priority placement within their network.

@Svetlana Nikic The 3% down conventional program is called HomeReady.

Despite paying a substantial fee, I found that beyond basic instructional videos and repetitive weekly calls, there was little substance to aid my learning.

Joining a mastermind/mentorship program was a game-changer for me.2.

If the seller is cooperative, they may let you restructure it with another program/lender...

At a bare minimum, I would consider filing a complaint with the state licensing board, but only if you have written evidence (email, text, letter, etc.) showing that you instructed them to install security and they failed to follow your instructions.