Can we setup a schedule where people must pay to reserve the spot?
Response: Yes, when setting up the available slots, you have the ability to charge for that slot.

Can we provide a way where a scheduler owner can edit his/her scheduler on demand?
Response: If you are setting up the trainers/mentors/officiators as directory profiles, you can assign additional contacts that can access that profile’s scheduler. He/She can then switch between each profile at /account/menu and can see and edit their schedulers.

Can we pay for sessions in form of Gift Vouchers?
Response: Yes, user has the option. If they have a voucher it will prompt them to use it vs. paying directly. Typically the vouchers would be sold in a bundle for a lower price, so it's really an attractive option to have.