"Tax"-wise would be almost the same as other governments but more streamlined I suppose. Thinking of this as just a collection of digital/online services/resources would be the best way of looking at it. You pay your monthly/annual fees/"taxes" and get access to the services.
- Schooling/education would be done through a MOOC (ex. Coursera, Stanford Online) that would be then be open and "free" for users. - https://e-estonia.com/component/e-school/
- Healthcare would have 1-on-1 conferencing with doctors/medial professionals when needed, and maybe have some sort of partnership with existing clinics/hospitals. Prescriptions could all be done online as well - https://e-estonia.com/component/e-prescription/
For all laws and policies they would be directly voted on by the community, but with a base set (constitution) set in stone, basic freedoms etc. This would be a very progressive/modern society with all the freedoms and protections that comes with, but if something like 90% of the citizenry decided to vote against one of those, then the leading committee would review it.