Where does the money given to this site go?
This site is not a money-making enterprise. Funds received are used to advertise the site on social media and other outlets. The best thing you can do to help is to share this site on your social media feed and email lists.
What expenses are involved in maintaining this site?
The expenses of the site are very basic. There is an annual cost for the domain. The site is hosted for free by Reformed Hosting. You can give if you want to help, but the site will go on even if no one does; the word will just get out more slowly.