The registration of the information on listing´s price and more information about fees should be registered in [Finance > Long Term Pricing] on the listing´s page, and remember to save the changes at the top of the page:

Remember that this option is only on the [Finance] tab of the listings that are for Long Term Rental.
If this is not visible in yours, go to [Content > Type] and indicate that the listing is also for Long Term Rental.
I want to know more...

Now that you have already registered the price and additional fee information for your Long Term Rental listing, how about checking out how it will look like when published on your Stays.net website?