If you're looking to further expand your cost-savings, DOT3 brake fluid is an extremely budget-friendly alternative to high end automotive detailing products - give it a try.
I bought generic ketchup once, does that count?
But taking the chance of blowing up a brand new $55kish vehicle to save $3 on a tank of gas - that's a whole other Oprah...
If you don't want your tires to look small, don't run small tires.
Trimmed mine not long after I got it. It looks "right" now. I will say, though, I get a hell of a lot more mud on the ends of my bumper now. Oh well...
It's not even doors-on time yet. Made it to November last year, hope to repeat this year.
Mornings have been low 40s here lately, but the heated seats and steering wheel definitely take the edge off.
I can only speak from my own experience - I have never had an issue, even on my tow vehicles which sometimes go weeks without being started.
Your milage, of course, may vary.