Coles just gave Flybuys a power-boost that lets shoppers wipe £100 off during checkout. Paying straight with points now shaves the bill by close to a ton , no paper slips or vouchers. This swap needs about twenty grand points . Coles insists the move will push its points value sky-high. Rivals on the high street now face extra heat . The shift follows Flybuys lowering rules on final uses for points.