Regardless
The ability to tap lots of $$$$$s
Total engine rebuild, $40 to $50 thousands
New radiator installed??? $5,000 maybe
Anyplace you travel there are semis and tractors running.
NAPA stores are in very remote places at times.
These trucks and tractors all need tire services ,towing and part's services.
Personally, I carry LOTS of tools
Belts, filters, re built alternator, aquahot,
Rebuilt burner and nozels and filter.
Solenoids plus just stuff
Light bulbs, fuses etc.