In short
No. Comparing, asking a question and requesting a booking are free, and you are not committed to anything until you accept the final amount from the coach company yourself.
Coach companies that take part only pay us when a trip booked through BusOffer.com actually goes ahead, every company on the same terms. The order of the list is not for sale.
No, it is a price estimate for your trip, calculated with the rates the coach company set itself, or with our standard rate while it hasn't yet (that is shown). The coach company confirms the final amount after you request a booking.
From the public register of licence holders for coach transport, and from their own website. Their page says they have not joined yet, and what we read on their site is shown with the source.