You paid for the ads-supported version if you got ads...

Not always obvious. I've stopped several relatives from making that mistake.

For some reason, they're inclined to trust Amazon.

	▲	iLoveOncall 4 hours ago \| parent [-]
		It is always obvious. https://www.amazon.com/Amazon-Kindle/dp/B0CNVCQZG1/ This is the first one that pops up if you search "kindle" on Amazon. I'm not sure how more clearly you could show the variants with and without ads.