How to spot fake LV's?

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It's really hard to spot fake LVs especially there are millions of imitations out there. But Due to my research I've found several factors on spotting a reall LV or a fake LV: 1.) Authentic LV's inner linings are made up of pure leather. This leather are usually gamozas and it has a fine finish. 2.) The new LV's have serial numbers on the inner linings, they are usually engraved in small fonts. 3.) The quality of of stitches are superb, LV has one of the most strict quality control over any bag/shoe company. 4.) All LV's are made in France! Not sure whether there are made in other Parts of Europe nowadays, but LV never let Chinese or other asian countries to make their stuffs. 5.) LV NEVER MAKE A SALE PRICE! They are proud and they don't give a damn about discount prices because that's one thing that made them popular. Is the price and quality. 6.) All LV comes with a certificate, usually in a form of a small envelope and the print should be well printed. 7.) LV never sell to resellers, Even in Macy's they have their own boutique. 8.) LV's are expensive! They don't sell below $100. So when you see a less than $100 bag, it is more likely to be a knock-off. Well any suggestions would be great to help each other out