Sure you can. Prices fluctuate all the time. Your customers don't like being swindled. And oftentimes, when a price jumps, they feel swindled. I think the cons

Sure you can. Prices fluctuate all the time. Your customers don't like being swindled. And oftentimes, when a price jumps, they feel swindled. I think the consumer's swindle perception factor is more dependent on the second derivative of the price history than the first.