too good to be true traffic sign on blue sky

good true traffic sign blue sky background skepticism doubt unrealistic suspicion illusion deception false promises claims exaggerated mirage unbelievable dubious doubtful unreliable phony hoax scam fraud misleading unreal unattainable perfect easy convenient far-fetched improbable gimmick trickery flawless expectations real prices pie smoke mirrors shady illusory fictitious misrepresentation illusive mirage-like ill-founded ill-conceived deceptive advertising guarantees benefits allure offers