you could spend another 7.50 on hinges, but for this plane
http://www3.towerhobbies.com/cgi-bin...?&I=LXJ557&P=0 there a tried and true method for hinging control surfaces.
whats there not to be happy with,other than needing to cut them from a hinge strip having many models with CA hinges including a couple of ARF warbirds they work good when installed corectly, and are light in weight.