well what is your budget then? It’s pretty easy to run a few missions, buy a new ship, and repeat till you have a ship for each mission. The garmur is cheap and it can run all 4 team burners which should give a huge boost to income, I’d probably buy that first. And then the daredevil can run a few with the same rigs, although needs to swap a few mods around. The wolf and hawk fits are more specific but the wolf is reasonably cheap.
And as far as safety goes, if you check my post in the burner mission thread there are a bunch of cap stable setups that are safe to run vs the frig burners, the cruiser ones are a bit more dangerous, but not too much. Burner Mission - Ship advice to solo them including fittings