I was getting quotes on sites like Alibaba, Made-In-China, AliExpress and trying to order replaceable hard drives in 2008 to upgrade PlayStation consoles that I could sell on eBay for a profit.
After paying for a sample, waiting, arguing, countless phone calls with “my supplier”, I received a tracking number. 2 weeks later, a USB casing turned up in the mail, yes, a just an empty plastic casing!
That is why Knows Sourcing exists today.