Currently, Purebet has no fees. Fees may be added in the future but would not impact the odds offered from originating protocols.
Any fees charge by liquidity originating protocols are automatically calculated and reflected within the odds we show. For example, Overtime's safebox fee and "skew" is already accounted for in the odds we offer. If Monaco was to turn on the fee switch, we would discount the odds to match the actual return you would get by betting with them directly.
This means that you can bet at Purebet knowing the odds you get matched at are the odds you will be paid out at.