Agreed.
For example.
Live here in Canada.
My whole life watched the antics of the market.
Heck.. for a few years there our Canadian dollar was higher than American....and yet we would be paying more, much more for the same product sold much cheaper in the states...hell ...our national broadcaster has done countless in depth research segments on topics like this....so why the vast price difference? ... seen lottsa people mumble this or that..but really...

example 1
-2 EXACT same products sold less than 10 miles away from another...
-separated by a national border...
-yet even with a higher valued exchange rate for years...the price difference remained the same...
-here's a topper ...the product is MADE in Canada...so you would hazard that it should be cheaper in Canada wouldn't you?

Ach! We've been watching "discrepancies" for decades here...I'm sure fellow members see the same things in Mexico.

example 2
Hell...on this one...(I don't know about elsewhere...but in Canada...) ...whenever a holiday looms it's head...a day or two before...gasoline prices start going up.
For years there was the accusation of collusion, price fixing, gouging etc.... amoungst the corps...investigations ...by Gov't even....think anything was found?
...and yet it appears miraculously that prices magically move upwards at specific calendar dates...
Hell...we're an oil producing nation...so you would figure there would be a wee bit of market stability introduced as a consequence...
example 3
2 simple batteries....exactly identical from the same manufacturer..... 1 purchased in Vancouver for $40.00
1 purchased from the parent company approved seller at the point of manufacturing. So ...even with all taxes and duties applied....shipping...etc. why is the battery from Vancouver costing me $40.00 and the exact same one imported from the company less than $8.00?
2 words: grotesque profiteering ...

The point is...to say some intangible or invisible process devoid of human involvement is at work with such price discrepancies ... is most assuredly false.

yeah Kinggo ~70% difference doesn't smell right.