It would be cool if there was an option to pay scrap. If the option was checked, when you did /mymini, it would say something like "To spawn a minicopter, you will need to pay (amount) scrap. Do '/mymini spawn', and your scrap will be excanged for a minicopter." (or maybe you could just make them do mymini again, dont know if this is possible). I think this could be a cool addition, seeing as you can now buy them in bandit, but it would be cool if you could buy them mobile, and not have to go to bandit camp.

The vehicle license plugin already does this, you can check it out here:
https://umod.org/plugins/vehicle-license