Overprcing. Any way to alert potential buyers?

Hi thanks to you people, I now know eBay have no interest in overpriced items. My question is, is there any way to alert potential buyer about this? Just come across an item being sold by Boots for £2.99 with a number of eBay sellers pricing the same item for £8+, plus charging £4 if item cannot be delivered and another £4 deduction for something else, which I can't remember because it's way past my bedtime. I'm ok with people makiing a profit but think there has to be a limit.

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Report it. I once saw a 18 pound item at 70 pounds. So yeah