2 I would suggest honorarium: a payment in recognition of acts or professional services for which custom or propriety forbids a price to be set. (from dictionary.com) It is paid as as a favour, making it distinct from a wage or fee for service of a more commercial arrangement.
and thus implies payment necessary to get entrance for transaction (i.e., you have to pay something to enter a bank transaction). The easiest way of charging a fee during a bank transaction is taking percentage (commission). According to the 1st link above in OED 'commission' is commonly used to refer to percentage in money transactions.
Although the terms payment (“A sum of money paid in exchange for goods or services”) and fee (in the sense “monetary payment charged for professional services”) don't refer specifically to payments made to freelance workers – ie, are more general than that – they are, nonetheless, correct terms for such payments. Commission (“A fee charged by an agent or broker for carrying out a ...
Los Angeles Times on MSN: Renters use 'rent now, pay later' services to manage monthly payments, but fees raise concerns
Renters use 'rent now, pay later' services to manage monthly payments, but fees raise concerns
This is read by an automated voice. Please report any issues or inconsistencies here. Trump administration’s new asylum fees left immigrants confused about payment methods and deadlines, with some ...
Confusingly, in the UK, they are known as public schools. Often but not always they are boarding schools. In the context of higher/further education, the OP could use the expression fee-paying or fee-charging universities. free vs paid All of the above can be supplied free of charge or paid for, by private individuals or groups.