Local Friends/Providers can decide their activities price. Guide Me Right adds its IT Matching service fee, that is the 20% of the activity price. So, Guests pay the amount established by the LF + 20% that is Guide Me Right Fee.
You can enter a price for your activity, per person or as total amount, in the activity form.
If the activity entails any other extra cost that Guests shall pay offline, you shall enter them in the excluded costs entry, so to inform Guests in advance.