@Amanda660
two different takes:
1. calculate what you'd want on a total or hourly rate and get the money upfront
or
2. tell her, "sorry, no, abb is really more of a DIY/clean up after yourself operation, we'd don't hold a maid staff in reserve for cleaning up after people you're cycling in and out of the place. and, btw, Please make sure that your family members know that you're being evaluated in your review for how they take care of the space. HAPPY WEDDING TO YOU!!"
and, goodness gracious, start writing this review now. Not cool.
btw, this is somewhat to be expected, I'm near wedding venues and the wedding folks can be a pain. I've certainly re-worked my House Rules and my pre-arrival discussions over time in order to snuff out these kinds of problems BEFORE these yucky 3rd party bookers end up in my space. At the very least start to think of what you've learned from this lovely American and what you'll do different next time.
(one of the changes I've made in my listing is that pricing is the same for guest 1-5, so that I don't haggle over per unit costs for my typical group and I do get info on AAAAALLLLLLLL guests and I absolutely do not allow someone to book but not stay, bc that never works out well. I always ask them to shift the booking over to one of the guests who will be staying from beginning to end.)