Airbnb won't support a fee to the guest staying longer unless you have it in your listing or rules but if you do, and it was an inconvenience for you or your cleaning team, I would enforce the rules you've created.

In my opinion, purchasing with an assumable loan is the most powerful strategy available for any primary home buyer in today's market! 

We thank you for your patience and hope you know we are committed to doing all in our power to deliver a better final outcome.

House hacking can be a powerful strategy to build wealth and financial independence. 

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The tenants weren't particularly clean, their rents were about 30% below market, and they had a bunch of cats.

But I'd be happy to have that debate with you @Trevor Powers

It will become pretty obvious to them when they see you making repairs, cleaning the place up, etc.

If not, you need to be bery careful.....if they get the City involved and you have violated Code, you could be in big trouble.Like @Theresa Harris said, get them out ASAP, clean the place up, make it CODE COMPLIANT get a COO, (Certificate Of Occupancy) and do this right next time.Just my $0.02

Househacking is so powerful since you can lower your largest expense (rent), while learning to be a landlord and building equity.