Added (08/21/23)
We have added the option to control the method drop down. In the administration settings, add the option called “NMethod List”. When this option is not set the default will be "existing".
For tuition see the following post https://jlssolutions.com/qa/320089/can-we-have-a-sub-category-to-keep-track-of-notes-in-tuition?show=320093#a320093