EDIT - 700lb weight limit.

If you do not, and she stays but fails to pay rent, you have to proceed with giving proper notice to pay, failure of which entitles you to file an eviction.

The tenant fails to pay their last month's rent and leaves the place needing new flooring and paint.

Your agent may have failed you here.

Failing that, your next option is to lean on your existing lease which appears to have two sections that disagree.

They've been failing for two years, yet you've allowed them to stay.

What she failed to mention is that SHE wrote the book!  

In addition to joining the seller to the buyer at the hip for several years/decades when the seller wants a clean break, the properly-discounted, risk-weighted, money to be received by the seller is less than the immediate sale price.

Often you can find most of the education/knowledge for free, but the issue is a lot of people don't know what to do with it and fail to take action.

Because they have found it a time suck, a brain drain, stress factory that takes away from everything else in there life including scaling and to time leverage is worth it's weight in gold.