When a store shows clear shoulder width, bust, waist and length, it is much easier to choose. In the end there is no perfect shop, but some stores are clearly more consistent. Sometimes I experiment with different materials just to see how they feel in daily life.

If anyone is interested in real user experiences, I sometimes write short notes about the shops I test.
You can find one of the pages here:
[url=https://thefreeadforum.top/index.php?page=item&id=293207]
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A good store usually answers questions quickly and does not hide behind canned messages. Having a tracking number that works on common sites is very convenient. I like when a shop clearly shows PD, lens height and bridge width in millimeters. In the past I have wasted money on items that looked good in photos but felt cheap in real life.

Hope this helps someone.