And yet even then you are still taking a risk.

Here is a person on cnczone slating chai utterly after his experience ordering from linearmotionbearings.
Positive experience purchasing linear rails and drivescrews - CNCzone.com-The Largest Machinist Community on the net!

Do you listen to the dozens of positive experiences and go with chai or the negative experience and decide chai is a shyster? Buying stuff from anywhere is always a gamble, but then so is crossing the road...