When you watch a promo video for a new magic effect,
TURN THE VOLUME OFF!!!
No, seriously, just turn the volume all the way off. Ninety-nine percent of sales are happening because of how the not-so-background music makes you feel and how it’s timed with reveals, etc. The flashy video editing is bad enough to fight but combine that with the audio trickery they’re doing to you and you really don’t stand much of a chance.