If the area is safe, why are you tooling up?
It being 'a hobby' is a really poor reason by the way, it's honestly coming across as extreme paranoia.
I like one part of this analogy - I've met loads of people who were utterly incapable of swapping out their spare if they got a flat
Also, I've put more effort into comparing the options I have for a spare tyre than I ever have thinking about carrying a weapon...
While "it's better to look at it than look for it" is a valid idea, there's also a likelihood of need continuum.
I carry a spare tyre in my car because there's a fair chance I'll need it one day - I've had to use the facility maybe 10 times since I started driving. On a pushbike I carry puncture repair stuff, again because there's a fair chance I'll need it (much more often than the car spare).
Compare that to what weapons I've carried for SD purposes - none.
How many times in the last 43 years I've needed a weapon for SD purposes - none.
I have enough to carry already (key and wallet, sometimes) without adding hardware I'll likely never need...
The OP seems more like he'd tow a spare car, and a complete set of parts too - even though his car is reliable and he has good breakdown cover (safe area
)