I completely agree that a $400 laptop will do the utility work, but depending on what they do, they might something as an end all. I find that buying higher quality offsets the quantity purchases needed with cheaper laptops over time.
Yes, if you get the exact same model number (and subnumber). But between sales channels, this really is not the case except for the very high end models. What you figure out is that the same manufacturer and same general model (so let's take your example from Staples above).
That's the Staple's model number for the Lenovo Flex 5:
80XA0000US
This is the one for Amazon:
80VE000EUS
Amazon product ASIN B06XGLC9JJ
I assure you that even though this is the same manufacturer and the same general model, you will notice differences in the internal parts. From the motherboards to the sinks, you can get the same number specs with cheaper parts that don't have the same tolerances as the review models. You are better off buying the one that is closest to the review model down to the same submodel number to be sure. Dell general models that are sold in Best Buy are given much cheaper parts than the ones that the Dell OEM sells.[
But to another point, yeah, certainly, there are really only 4 real OEMs (and I'm personally partial to Asus/Asustek) and they are all neighbors in Taiwan and the mainland.
And, those Acers are total crap in terms of heat sink and motherboard coordination (from fellow experience). Watching my fellow colleagues
View attachment 221767 at the bestest LAN party in the US (PDXLan) as I write this, we have all the great specs in the same room to run head to head, and to know the plans of the advanced hardware (work reason I'm here is to deal with the new supercomputer setup for Summit). Wishing you were here to get the nice NVidia stuff! I'm definitely sticking with the Razer's engineering.
And yes, more fun than QuakeCon.