Thicker is better for wear. 

I would stay away from the thinner stuff, as the grout lines could show through, but if you had a thicker product, I don't see why it would be an issue.

We paid a bit more to get the sturdier, thicker planks.

The bathroom tiles are A LOT thicker then he anticipated. 

I think most AC5 is 10mm or thicker and it will probably last longer but any grade 12mm should do pretty well.

Examples  are, testing the soil before construction, and excavating the material and replacing with good compacted aggregate base course or other plataforms, then design the slab thicker enough to "bridge" any soil movements under the slab. 

If you decide to use laminate buy good quality, thicker the better.

We Used Metal closet rods and the end braces were thicker so the pole would stay well supported on the ends.I also heard a great tip and have used it forever,, don't put carpet in closets, use tile, easier to clean, and whatever you stack on the floor is stable, not cushioned by the carpet and will stay put.

A little thicker wire.. can carry 15A.. gets a 15A breaker.Thicker wire.. 20A breakerWhat happens when you just replace the 15A with a 20A breaker?

I saw another brand, Repel (also at HD), which IS water-proof and seems thicker and better quality (and prettier!).