Hi all We'll be staying at AC Gran Canaria hotel and wondered if I should pre-book transfers to save money on taxis? Has anyone used shuttle buses through companies like Resorthoppa.com and lowcosttravelextras and are they reliable, especially for return journey to airport to be on time for early morning flight? And would they stop at our hotel, address: C/ Eduardo Benot 3, 35007 Las Palmas de Gran Canaria. Thank you!