With so called online sales, an example being a few months ago I bought 4 smart power sockets on Amazon, in one of their offer sales, not a prime day sale.
They were reduced from £29.99 to £19.99, I noticed in today's prime day sale the same offer, but only 3 sockets, so not really a good deal
They were reduced from £29.99 to £19.99, I noticed in today's prime day sale the same offer, but only 3 sockets, so not really a good deal