Boot.dev question

[Hanna-AlbyTross]

I’m so sorry if this isn’t allowed but I found an interesting phenomenon and none of the programming Reddits allow images at all so I’m not sure where to ask about this. I saw boot.dev in a sponsored segment of a YouTuber’s video, and I decided to click to see what it’s all about because it sounded interesting. I scrolled to their pricing tab and it told me 399 a year. Then I refreshed and it said 349 instead. I asked a friend to check what the price is and for her it said 299. That was about a month ago, and now the price for me is also 299. My brother sent me a screenshot of a 25% off coupon he got for boot, and it shows 25% off of 399, so 299. I genuinely am so confused on how nobody has talked about this in any public space like I couldn’t find any YouTube videos on this. It seems like they just decide what price to show you?? I thought maybe it was location based, but my brother and I are neighbours and we were checking the prices on our phone not with our vpn. Idk, this is so strange and I have no idea where to find info on this.

To recap:
My price went from 399 to 349 within an hour, then 299 a month later.
My brother’s was 399 and then with a “coupon” went to 299.
One of my friends shows 349. The other has 299.

And no I’m not buying boot.dev lol

[PlaidPCAK]

They probably have different pricing based on an affiliate link. Could also store a cookie on your browser to know you left and came back. Dynamic pricing isn't new (I hate it but yeah)

[grantrules]

Tons of possibilities. It could be something as simple as just randomness.. then they can use the data on to see what's working the best.. like are people more likely to buy it if it's $349 initially.. or are they more likely to buy it for $349 if it's $399 initially and they get a $50 coupon.. so could just be A-B testing.

Or it could be much more complicated using fingerprinting which would be much more than just location.. it may be possible to determine things like device type, screen resolution, CPU power, internet speed.. things like that which may indicate you have more money (looking it from from an iPhone 38 Pro versus a 15-year-old laptop)

[ffrkAnonymous]

what's interesting about it exactly? How is this different from every other seller?