Without the brembo brakes (no PP), the ford spare tire will work... with brembo brakes (with PP), ford spare will not fit. There is an aftermarket one that will fit available from automotive authority.
If adjusting the stoppers isn't enough to do the trick, adjusting the hood latch will... you shouldn't have to "get used to it"... it is poor panel alignment, just fix it and make it right! (or have the dealer do it if it's beyond your skill level).
The mickey thompsons are great for straight line grip... I have some on my old hotrod. If you want to do any cornering (especially in the wet) go for the PS4S.
I don't think it's an issue... GT PP and DH come with staggered... 3/4 inch diameter difference stock front to rear. Put on what you want, no sense making a problem until there is one.
1. You need to use the included funnel to open the flaps inside the filler neck, unlikely a paper funnel would do that.
If worried about smell/mess, put it in a ziplock bag.
I'm with you guys there... also garage kept and no rain. 9 times out of 10 my dealer visits go well, no issues... I just can't take the chance of the 1 in 10 with the Mustang! I will do the test procedure listed for the recall myself and go from there.
You can also send your configuration to the dealer right from the configurator... no errors that way either... It worked for me!
And yes, read the order guide as it will give more details than the configurator.