Took all of five minutes for each, and I was being anal....
Very simple install since they are small pieces: use a little soapy water to center on the fogs, and then just squeegy with a credit card or the like.
Done.
I won't know how good the protective factor is until I drive a few thousand miles - so i'll have to post-up future tense!
Not sure if this stuff will stop a rock from cracking the glass, but it should keep the lense from getting the typical peppering and sandblasting that marrs the surface.
I'll install the headlamp film another day - it's more involved, but similarly easy, I'm sure.
For the $$$, it seems to be a reasonable deal -- comparitively speaking to other kits.
my 2c.
gr