If you are not close to the outlet shop, I find Manor has the best deals on Lindt chocolate bars, as they often are on special (almost all the time it seems). But this applies to the bars, I am not sure about the pralines.

But prices do not get as low as 1 franc per bar!!

Have you been to the shop, how is it

UPDATE
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I had been to the Klichberg factory outlet shop on Friday evening. The shop is within walkble distance from Klickberg Bahnhof. The shop has good selection of chocolates. The prices of all the nicely packaged stuff is same as highstreet prices (maybe few rappen cheaper), but there are Lindor chocolates and Lindt tablet chocolates which are very good value 7.50chf for 500g. Finally there are some 100g chocolate bars which are 1 CHF, these ones might have failed high quality standards set by Lindt

Overall its good to visit for personal consumption and also buy in bulk and package yourself for gifts

today i have been to schoggihüsli in hinwil...
its not a big store but you can find a lot of coop chocolates at a bargain price...bar chocolates for 1 fr and 500 gm pralines for 7 fr and if u buy in bulk more reduction and so many 500 gm packets of Christmas chocolates for 8 fr and so on...
check their website for more info
http://www.chocolatier-suisse.ch/cms/index.php?id=40